introduction.po

# Copyright (C) 2001-2024, Python Software Foundation
# This file is distributed under the same license as the Python package.
#
# Translators:
# Liang-Bo Wang <me@liang2.tw>, 2016
# Ching-Hao Liu <chinghao.liu@gmail.com>, 2018
# Steven Hsu <hsuhaochun@gmail.com>, 2022
msgid ""
msgstr ""
"Project-Id-Version: Python 3.13\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2024-10-08 03:35+0000\n"
"PO-Revision-Date: 2022-10-16 03:20+0800\n"
"Last-Translator: Steven Hsu <hsuhaochun@gmail.com>\n"
"Language-Team: Chinese - TAIWAN (https://github.com/python/python-docs-zh-"
"tw)\n"
"Language: zh_TW\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Plural-Forms: nplurals=1; plural=0;\n"
"X-Generator: Poedit 3.1.1\n"

#: ../../tutorial/introduction.rst:5
msgid "An Informal Introduction to Python"
msgstr "一個非正式的 Python 簡介"

#: ../../tutorial/introduction.rst:7
msgid ""
"In the following examples, input and output are distinguished by the "
"presence or absence of prompts (:term:`>>>` and :term:`...`): to repeat the "
"example, you must type everything after the prompt, when the prompt appears; "
"lines that do not begin with a prompt are output from the interpreter. Note "
"that a secondary prompt on a line by itself in an example means you must "
"type a blank line; this is used to end a multi-line command."
msgstr ""
"在下面的例子中，輸入與輸出的區別在於有無提示字元（prompt，:term:`>>>` 和 :"
"term:`...`\\ ）：如果要重做範例，你必須在提示字元出現的時候，輸入提示字元後方"
"的所有內容；那些非提示字元開始的文字行是直譯器的輸出。注意到在範例中，若出現"
"單行只有次提示字元時，代表該行你必須直接換行；這被使用在多行指令結束輸入時。"

#: ../../tutorial/introduction.rst:16
msgid ""
"You can toggle the display of prompts and output by clicking on ``>>>`` in "
"the upper-right corner of an example box.  If you hide the prompts and "
"output for an example, then you can easily copy and paste the input lines "
"into your interpreter."
msgstr ""
"在範例區域中，你可以點擊右上角的 ``>>>`` 來切換是否要顯示提示字元及輸出。若你"
"隱藏了範例中的提示字元及輸出，那麼你就能夠輕易地複製輸入的內容，並貼上到你的"
"直譯器中。"

#: ../../tutorial/introduction.rst:23
msgid ""
"Many of the examples in this manual, even those entered at the interactive "
"prompt, include comments.  Comments in Python start with the hash character, "
"``#``, and extend to the end of the physical line.  A comment may appear at "
"the start of a line or following whitespace or code, but not within a string "
"literal.  A hash character within a string literal is just a hash character. "
"Since comments are to clarify code and are not interpreted by Python, they "
"may be omitted when typing in examples."
msgstr ""
"在本手冊中的許多範例中，即便他們為互動式地輸入，仍然包含註解。Python 中的註"
"解 (comments) 由 hash 字元 ``#`` 開始一直到該行結束。註解可以從該行之首、空白"
"後、或程式碼之後開始，但不會出現在字串文本 (string literal) 之中。hash 字元在"
"字串文本之中時仍視為一 hash 字元。因為註解只是用來說明程式而不會被 Python 解"
"讀，在練習範例時不一定要輸入。"

#: ../../tutorial/introduction.rst:31
msgid "Some examples::"
msgstr "一些範例如下： ::"

#: ../../tutorial/introduction.rst:33
msgid ""
"# this is the first comment\n"
"spam = 1  # and this is the second comment\n"
"          # ... and now a third!\n"
"text = \"# This is not a comment because it's inside quotes.\""
msgstr ""

#: ../../tutorial/introduction.rst:42
msgid "Using Python as a Calculator"
msgstr "把 Python 當作計算機使用"

#: ../../tutorial/introduction.rst:44
msgid ""
"Let's try some simple Python commands.  Start the interpreter and wait for "
"the primary prompt, ``>>>``.  (It shouldn't take long.)"
msgstr ""
"讓我們來試試一些簡單的 Python 指令。啟動直譯器並等待第一個主提示字元 ``>>>`` "
"出現。（應該不會等太久）"

#: ../../tutorial/introduction.rst:51
msgid "Numbers"
msgstr "數字 (Number)"

#: ../../tutorial/introduction.rst:53
msgid ""
"The interpreter acts as a simple calculator: you can type an expression at "
"it and it will write the value.  Expression syntax is straightforward: the "
"operators ``+``, ``-``, ``*`` and ``/`` can be used to perform arithmetic; "
"parentheses (``()``) can be used for grouping. For example::"
msgstr ""
"直譯器如同一台簡單的計算機：你可以輸入一個 expression（運算式），它會寫出該式"
"的值。Expression 的語法可以使用：運算子 ``+``、``-``、``*`` 和 ``/`` 可以用來"
"執行運算；括號 ``()`` 可以用來分群。例如： ::"

#: ../../tutorial/introduction.rst:59
msgid ""
">>> 2 + 2\n"
"4\n"
">>> 50 - 5*6\n"
"20\n"
">>> (50 - 5*6) / 4\n"
"5.0\n"
">>> 8 / 5  # division always returns a floating-point number\n"
"1.6"
msgstr ""

#: ../../tutorial/introduction.rst:68
msgid ""
"The integer numbers (e.g. ``2``, ``4``, ``20``) have type :class:`int`, the "
"ones with a fractional part (e.g. ``5.0``, ``1.6``) have type :class:"
"`float`.  We will see more about numeric types later in the tutorial."
msgstr ""
"整數數字（即 ``2``、``4``、``20``）為 :class:`int` 型態，數字有小數點部份的"
"（即 ``5.0``、``1.6``）為 :class:`float` 型態。我們將在之後的教學中看到更多數"
"字相關的型態。"

#: ../../tutorial/introduction.rst:72
msgid ""
"Division (``/``) always returns a float.  To do :term:`floor division` and "
"get an integer result you can use the ``//`` operator; to calculate the "
"remainder you can use ``%``::"
msgstr ""
"除法 (``/``) 永遠回傳一個 float。如果要做 :term:`floor division` 並拿到整數的"
"結果，你可以使用 ``//`` 運算子；計算餘數可以使用 ``%``： ::"

#: ../../tutorial/introduction.rst:76
msgid ""
">>> 17 / 3  # classic division returns a float\n"
"5.666666666666667\n"
">>>\n"
">>> 17 // 3  # floor division discards the fractional part\n"
"5\n"
">>> 17 % 3  # the % operator returns the remainder of the division\n"
"2\n"
">>> 5 * 3 + 2  # floored quotient * divisor + remainder\n"
"17"
msgstr ""

#: ../../tutorial/introduction.rst:86
msgid ""
"With Python, it is possible to use the ``**`` operator to calculate powers "
"[#]_::"
msgstr "在 Python 中，計算冪次 (powers) 可以使用 ``**`` 運算子 [#]_： ::"

#: ../../tutorial/introduction.rst:88
msgid ""
">>> 5 ** 2  # 5 squared\n"
"25\n"
">>> 2 ** 7  # 2 to the power of 7\n"
"128"
msgstr ""

#: ../../tutorial/introduction.rst:93
msgid ""
"The equal sign (``=``) is used to assign a value to a variable. Afterwards, "
"no result is displayed before the next interactive prompt::"
msgstr ""
"等於符號 (``=``) 可以用於為變數賦值。賦值完之後，在下個指示字元前並不會顯示任"
"何結果： ::"

#: ../../tutorial/introduction.rst:96
msgid ""
">>> width = 20\n"
">>> height = 5 * 9\n"
">>> width * height\n"
"900"
msgstr ""
">>> width = 20\n"
">>> height = 5 * 9\n"
">>> width * height\n"
"900"

#: ../../tutorial/introduction.rst:101
msgid ""
"If a variable is not \"defined\" (assigned a value), trying to use it will "
"give you an error::"
msgstr ""
"如果一個變數未被「定義 (defined)」（即變數未被賦值），試著使用它時會出現一個"
"錯誤： ::"

#: ../../tutorial/introduction.rst:104
msgid ""
">>> n  # try to access an undefined variable\n"
"Traceback (most recent call last):\n"
"  File \"<stdin>\", line 1, in <module>\n"
"NameError: name 'n' is not defined"
msgstr ""

#: ../../tutorial/introduction.rst:109
msgid ""
"There is full support for floating point; operators with mixed type operands "
"convert the integer operand to floating point::"
msgstr ""
"浮點數的運算有完善的支援，運算子 (operator) 遇上混合的運算元 (operand) 時會把"
"整數的運算元轉換為浮點數： ::"

#: ../../tutorial/introduction.rst:112
msgid ""
">>> 4 * 3.75 - 1\n"
"14.0"
msgstr ""
">>> 4 * 3.75 - 1\n"
"14.0"

#: ../../tutorial/introduction.rst:115
msgid ""
"In interactive mode, the last printed expression is assigned to the variable "
"``_``.  This means that when you are using Python as a desk calculator, it "
"is somewhat easier to continue calculations, for example::"
msgstr ""
"在互動式模式中，最後一個印出的運算式的結果會被指派至變數 ``_`` 中。這表示當你"
"把 Python 當作桌上計算機使用者，要接續計算變得容易許多： ::"

#: ../../tutorial/introduction.rst:119
msgid ""
">>> tax = 12.5 / 100\n"
">>> price = 100.50\n"
">>> price * tax\n"
"12.5625\n"
">>> price + _\n"
"113.0625\n"
">>> round(_, 2)\n"
"113.06"
msgstr ""
">>> tax = 12.5 / 100\n"
">>> price = 100.50\n"
">>> price * tax\n"
"12.5625\n"
">>> price + _\n"
"113.0625\n"
">>> round(_, 2)\n"
"113.06"

#: ../../tutorial/introduction.rst:128
msgid ""
"This variable should be treated as read-only by the user.  Don't explicitly "
"assign a value to it --- you would create an independent local variable with "
"the same name masking the built-in variable with its magic behavior."
msgstr ""
"這個變數應該被使用者視為只能讀取。不應該明確地為它賦值 --- 你可以創一個獨立但"
"名稱相同的本地變數來覆蓋掉預設變數和它的神奇行為。"

#: ../../tutorial/introduction.rst:132
msgid ""
"In addition to :class:`int` and :class:`float`, Python supports other types "
"of numbers, such as :class:`~decimal.Decimal` and :class:`~fractions."
"Fraction`. Python also has built-in support for :ref:`complex numbers "
"<typesnumeric>`, and uses the ``j`` or ``J`` suffix to indicate the "
"imaginary part (e.g. ``3+5j``)."
msgstr ""
"除了 :class:`int` 和 :class:`float`，Python 還支援了其他的數字型態，包含 :"
"class:`~decimal.Decimal` 和 :class:`~fractions.Fraction`。Python 亦內建支援"
"\\ :ref:`複數 (complex numbers) <typesnumeric>`，並使用 ``j`` 和 ``J`` 後綴來"
"指定虛數的部份（即 ``3+5j``）。"

#: ../../tutorial/introduction.rst:142
msgid "Text"
msgstr "文字"

#: ../../tutorial/introduction.rst:144
msgid ""
"Python can manipulate text (represented by type :class:`str`, so-called "
"\"strings\") as well as numbers.  This includes characters \"``!``\", words "
"\"``rabbit``\", names \"``Paris``\", sentences \"``Got your back.``\", etc. "
"\"``Yay! :)``\". They can be enclosed in single quotes (``'...'``) or double "
"quotes (``\"...\"``) with the same result [#]_."
msgstr ""
"Python 可以操作文本（由 :class:`str` 型別表示，即所謂的「字串 (strings)」）和"
"數字。這包括字元 \"``!``\"、單詞 \"``rabbit``\"、名稱 \"``Paris``\"、句子 "
"\"``Got your back.``\" 等等。\"``Yay! :)``\"。它們可以用單引號 (``'...'``) 或"
"雙引號 (``\"...\"``) 括起來，會具有相同的結果 [#]_。"

#: ../../tutorial/introduction.rst:157
msgid ""
"To quote a quote, we need to \"escape\" it, by preceding it with ``\\``. "
"Alternatively, we can use the other type of quotation marks::"
msgstr ""
"要引用引文，我們需要在其前面加上 ``\\`` 來「跳脫」它。或者我們也可以使用其他"
"種類的引號： ::"

#: ../../tutorial/introduction.rst:160
msgid ""
">>> 'doesn\\'t'  # use \\' to escape the single quote...\n"
"\"doesn't\"\n"
">>> \"doesn't\"  # ...or use double quotes instead\n"
"\"doesn't\"\n"
">>> '\"Yes,\" they said.'\n"
"'\"Yes,\" they said.'\n"
">>> \"\\\"Yes,\\\" they said.\"\n"
"'\"Yes,\" they said.'\n"
">>> '\"Isn\\'t,\" they said.'\n"
"'\"Isn\\'t,\" they said.'"
msgstr ""

#: ../../tutorial/introduction.rst:171
msgid ""
"In the Python shell, the string definition and output string can look "
"different.  The :func:`print` function produces a more readable output, by "
"omitting the enclosing quotes and by printing escaped and special "
"characters::"
msgstr ""
"在 Python shell 中，字串定義和輸出字串可能看起來不同。:func:`print` 函式透過"
"省略引號並印出跳脫字元和特殊字元來生成更具可讀性的輸出： ::"

#: ../../tutorial/introduction.rst:175
msgid ""
">>> s = 'First line.\\nSecond line.'  # \\n means newline\n"
">>> s  # without print(), special characters are included in the string\n"
"'First line.\\nSecond line.'\n"
">>> print(s)  # with print(), special characters are interpreted, so \\n "
"produces new line\n"
"First line.\n"
"Second line."
msgstr ""

#: ../../tutorial/introduction.rst:182
msgid ""
"If you don't want characters prefaced by ``\\`` to be interpreted as special "
"characters, you can use *raw strings* by adding an ``r`` before the first "
"quote::"
msgstr ""
"如果你不希望字元前出現 ``\\`` 就被當成特殊字元時，可以改使用 *raw string*，在"
"第一個包圍引號前加上 ``r`` ： ::"

#: ../../tutorial/introduction.rst:186
msgid ""
">>> print('C:\\some\\name')  # here \\n means newline!\n"
"C:\\some\n"
"ame\n"
">>> print(r'C:\\some\\name')  # note the r before the quote\n"
"C:\\some\\name"
msgstr ""

#: ../../tutorial/introduction.rst:192
msgid ""
"There is one subtle aspect to raw strings: a raw string may not end in an "
"odd number of ``\\`` characters; see :ref:`the FAQ entry <faq-programming-"
"raw-string-backslash>` for more information and workarounds."
msgstr ""
"原始字串有一個微妙的地方：原始字串可能不會以奇數個 ``\\`` 字元結尾；請參閱"
"\\ :ref:`常見問答集 <faq-programming-raw-string-backslash>`\\ 來了解更多資訊"
"和解決方法。"

#: ../../tutorial/introduction.rst:197
msgid ""
"String literals can span multiple lines.  One way is using triple-quotes: "
"``\"\"\"...\"\"\"`` or ``'''...'''``.  End of lines are automatically "
"included in the string, but it's possible to prevent this by adding a ``\\`` "
"at the end of the line.  In the following example, the initial newline is "
"not included::"
msgstr ""
"字串文本可以跨越數行。其中一方式是使用三個重覆引號：``\"\"\"...\"\"\"`` 或 "
"``'''...'''``。此時換行會被自動加入字串值中，但也可以在換行前加入 ``\\`` 來取"
"消這個行為。在以下的例子中，最初的換行符不會被包含： ::"

#: ../../tutorial/introduction.rst:203
msgid ""
">>> print(\"\"\"\\\n"
"... Usage: thingy [OPTIONS]\n"
"...      -h                        Display this usage message\n"
"...      -H hostname               Hostname to connect to\n"
"... \"\"\")\n"
"Usage: thingy [OPTIONS]\n"
"     -h                        Display this usage message\n"
"     -H hostname               Hostname to connect to\n"
"\n"
">>>"
msgstr ""

#: ../../tutorial/introduction.rst:214
msgid ""
"Strings can be concatenated (glued together) with the ``+`` operator, and "
"repeated with ``*``::"
msgstr ""
"字串可以使用 ``+`` 運算子連接 (concatenate)，並用 ``*`` 重覆該字串的內容： ::"

#: ../../tutorial/introduction.rst:217
msgid ""
">>> # 3 times 'un', followed by 'ium'\n"
">>> 3 * 'un' + 'ium'\n"
"'unununium'"
msgstr ""

#: ../../tutorial/introduction.rst:221
msgid ""
"Two or more *string literals* (i.e. the ones enclosed between quotes) next "
"to each other are automatically concatenated. ::"
msgstr ""
"兩個以上相鄰的字串文本（*string literal*，即被引號包圍的字串）會被自動連接起"
"來： ::"

#: ../../tutorial/introduction.rst:224
msgid ""
">>> 'Py' 'thon'\n"
"'Python'"
msgstr ""
">>> 'Py' 'thon'\n"
"'Python'"

#: ../../tutorial/introduction.rst:227
msgid ""
"This feature is particularly useful when you want to break long strings::"
msgstr ""
"當你想要分段一個非常長的字串時，兩相鄰字串值自動連接的特性十分有用： ::"

#: ../../tutorial/introduction.rst:229
msgid ""
">>> text = ('Put several strings within parentheses '\n"
"...         'to have them joined together.')\n"
">>> text\n"
"'Put several strings within parentheses to have them joined together.'"
msgstr ""

#: ../../tutorial/introduction.rst:234
msgid ""
"This only works with two literals though, not with variables or expressions::"
msgstr "但這特性只限於兩相鄰的字串值間，而非兩相鄰變數或表達式： ::"

#: ../../tutorial/introduction.rst:236
msgid ""
">>> prefix = 'Py'\n"
">>> prefix 'thon'  # can't concatenate a variable and a string literal\n"
"  File \"<stdin>\", line 1\n"
"    prefix 'thon'\n"
"           ^^^^^^\n"
"SyntaxError: invalid syntax\n"
">>> ('un' * 3) 'ium'\n"
"  File \"<stdin>\", line 1\n"
"    ('un' * 3) 'ium'\n"
"               ^^^^^\n"
"SyntaxError: invalid syntax"
msgstr ""

#: ../../tutorial/introduction.rst:248
msgid ""
"If you want to concatenate variables or a variable and a literal, use ``+``::"
msgstr "如果要連接變數們或一個變數與一個字串值，使用 ``+``： ::"

#: ../../tutorial/introduction.rst:250
msgid ""
">>> prefix + 'thon'\n"
"'Python'"
msgstr ""
">>> prefix + 'thon'\n"
"'Python'"

#: ../../tutorial/introduction.rst:253
msgid ""
"Strings can be *indexed* (subscripted), with the first character having "
"index 0. There is no separate character type; a character is simply a string "
"of size one::"
msgstr ""
"字串可以被「索引 *indexed*」(下標，即 subscripted)，第一個字元的索引值為 0。"
"沒有獨立表示字元的型別；一個字元就是一個大小為 1 的字串： ::"

#: ../../tutorial/introduction.rst:257
msgid ""
">>> word = 'Python'\n"
">>> word[0]  # character in position 0\n"
"'P'\n"
">>> word[5]  # character in position 5\n"
"'n'"
msgstr ""

#: ../../tutorial/introduction.rst:263
msgid ""
"Indices may also be negative numbers, to start counting from the right::"
msgstr "索引值可以是負的，此時改成從右開始計數： ::"

#: ../../tutorial/introduction.rst:265
msgid ""
">>> word[-1]  # last character\n"
"'n'\n"
">>> word[-2]  # second-last character\n"
"'o'\n"
">>> word[-6]\n"
"'P'"
msgstr ""

#: ../../tutorial/introduction.rst:272
msgid "Note that since -0 is the same as 0, negative indices start from -1."
msgstr "注意到因為 -0 等同於 0，負的索引值由 -1 開始。"

#: ../../tutorial/introduction.rst:274
msgid ""
"In addition to indexing, *slicing* is also supported.  While indexing is "
"used to obtain individual characters, *slicing* allows you to obtain a "
"substring::"
msgstr ""
"除了索引外，字串亦支援「切片 *slicing*」。索引用來拿到單獨的字元，而切片則可"
"以讓你拿到一個子字串 (substring)： ::"

#: ../../tutorial/introduction.rst:277
msgid ""
">>> word[0:2]  # characters from position 0 (included) to 2 (excluded)\n"
"'Py'\n"
">>> word[2:5]  # characters from position 2 (included) to 5 (excluded)\n"
"'tho'"
msgstr ""

#: ../../tutorial/introduction.rst:282
msgid ""
"Slice indices have useful defaults; an omitted first index defaults to zero, "
"an omitted second index defaults to the size of the string being sliced. ::"
msgstr ""
"切片索引 (slice indices) 有很常用的預設值，省略起點索引值時預設為 0，而省略第"
"二個索引值時預設整個字串被包含在 slice 中： ::"

#: ../../tutorial/introduction.rst:285
msgid ""
">>> word[:2]   # character from the beginning to position 2 (excluded)\n"
"'Py'\n"
">>> word[4:]   # characters from position 4 (included) to the end\n"
"'on'\n"
">>> word[-2:]  # characters from the second-last (included) to the end\n"
"'on'"
msgstr ""

#: ../../tutorial/introduction.rst:292
msgid ""
"Note how the start is always included, and the end always excluded.  This "
"makes sure that ``s[:i] + s[i:]`` is always equal to ``s``::"
msgstr ""
"注意到起點永遠被包含，而結尾永遠不被包含。這確保了 ``s[:i] + s[i:]`` 永遠等"
"於 ``s``： ::"

#: ../../tutorial/introduction.rst:295
msgid ""
">>> word[:2] + word[2:]\n"
"'Python'\n"
">>> word[:4] + word[4:]\n"
"'Python'"
msgstr ""
">>> word[:2] + word[2:]\n"
"'Python'\n"
">>> word[:4] + word[4:]\n"
"'Python'"

#: ../../tutorial/introduction.rst:300
msgid ""
"One way to remember how slices work is to think of the indices as pointing "
"*between* characters, with the left edge of the first character numbered 0. "
"Then the right edge of the last character of a string of *n* characters has "
"index *n*, for example::"
msgstr ""
"這裡有個簡單記住 slice 是如何運作的方式。想像 slice 的索引值指著字元們之間，"
"其中第一個字元的左側邊緣由 0 計數。則 *n* 個字元的字串中最後一個字元的右側邊"
"緣會有索引值 *n*，例如： ::"

#: ../../tutorial/introduction.rst:305
msgid ""
" +---+---+---+---+---+---+\n"
" | P | y | t | h | o | n |\n"
" +---+---+---+---+---+---+\n"
" 0   1   2   3   4   5   6\n"
"-6  -5  -4  -3  -2  -1"
msgstr ""
" +---+---+---+---+---+---+\n"
" | P | y | t | h | o | n |\n"
" +---+---+---+---+---+---+\n"
" 0   1   2   3   4   5   6\n"
"-6  -5  -4  -3  -2  -1"

#: ../../tutorial/introduction.rst:311
msgid ""
"The first row of numbers gives the position of the indices 0...6 in the "
"string; the second row gives the corresponding negative indices. The slice "
"from *i* to *j* consists of all characters between the edges labeled *i* and "
"*j*, respectively."
msgstr ""
"第一行數字給定字串索引值為 0...6 的位置；第二行則標示了負索引值的位置。由 "
"*i* 至 *j* 的 slice 包含了標示 *i* 和 *j* 邊緣間的所有字元。"

#: ../../tutorial/introduction.rst:316
msgid ""
"For non-negative indices, the length of a slice is the difference of the "
"indices, if both are within bounds.  For example, the length of "
"``word[1:3]`` is 2."
msgstr ""
"對非負數的索引值而言，一個 slice 的長度等於其索引值之差，如果索引值落在字串邊"
"界內。例如，``word[1:3]`` 的長度是 2。"

#: ../../tutorial/introduction.rst:320
msgid "Attempting to use an index that is too large will result in an error::"
msgstr "嘗試使用一個過大的索引值會造成錯誤： ::"

#: ../../tutorial/introduction.rst:322
msgid ""
">>> word[42]  # the word only has 6 characters\n"
"Traceback (most recent call last):\n"
"  File \"<stdin>\", line 1, in <module>\n"
"IndexError: string index out of range"
msgstr ""

#: ../../tutorial/introduction.rst:327
msgid ""
"However, out of range slice indexes are handled gracefully when used for "
"slicing::"
msgstr "然而，超出範圍的索引值在 slice 中會被妥善的處理： ::"

#: ../../tutorial/introduction.rst:330
msgid ""
">>> word[4:42]\n"
"'on'\n"
">>> word[42:]\n"
"''"
msgstr ""
">>> word[4:42]\n"
"'on'\n"
">>> word[42:]\n"
"''"

#: ../../tutorial/introduction.rst:335
msgid ""
"Python strings cannot be changed --- they are :term:`immutable`. Therefore, "
"assigning to an indexed position in the string results in an error::"
msgstr ""
"Python 字串無法被改變 --- 它們是 :term:`immutable`。因此，嘗試對字串中某個索"
"引位置賦值會產生錯誤： ::"

#: ../../tutorial/introduction.rst:338
msgid ""
">>> word[0] = 'J'\n"
"Traceback (most recent call last):\n"
"  File \"<stdin>\", line 1, in <module>\n"
"TypeError: 'str' object does not support item assignment\n"
">>> word[2:] = 'py'\n"
"Traceback (most recent call last):\n"
"  File \"<stdin>\", line 1, in <module>\n"
"TypeError: 'str' object does not support item assignment"
msgstr ""

#: ../../tutorial/introduction.rst:347
msgid "If you need a different string, you should create a new one::"
msgstr "如果你需要一個不一樣的字串，你必須建立一個新的： ::"

#: ../../tutorial/introduction.rst:349
msgid ""
">>> 'J' + word[1:]\n"
"'Jython'\n"
">>> word[:2] + 'py'\n"
"'Pypy'"
msgstr ""
">>> 'J' + word[1:]\n"
"'Jython'\n"
">>> word[:2] + 'py'\n"
"'Pypy'"

#: ../../tutorial/introduction.rst:354
msgid "The built-in function :func:`len` returns the length of a string::"
msgstr "內建的函式 :func:`len` 回傳一個字串的長度： ::"

#: ../../tutorial/introduction.rst:356
msgid ""
">>> s = 'supercalifragilisticexpialidocious'\n"
">>> len(s)\n"
"34"
msgstr ""
">>> s = 'supercalifragilisticexpialidocious'\n"
">>> len(s)\n"
"34"

#: ../../tutorial/introduction.rst:363
msgid ":ref:`textseq`"
msgstr ":ref:`textseq`"

#: ../../tutorial/introduction.rst:364
msgid ""
"Strings are examples of *sequence types*, and support the common operations "
"supported by such types."
msgstr "字串是 *sequence 型別*\\ 的範例之一，並支援該型別常用的操作。"

#: ../../tutorial/introduction.rst:367
msgid ":ref:`string-methods`"
msgstr ":ref:`string-methods`"

#: ../../tutorial/introduction.rst:368
msgid ""
"Strings support a large number of methods for basic transformations and "
"searching."
msgstr "字串支援非常多種基本轉換和搜尋的 method（方法）。"

#: ../../tutorial/introduction.rst:371
msgid ":ref:`f-strings`"
msgstr ":ref:`f-strings`"

#: ../../tutorial/introduction.rst:372
msgid "String literals that have embedded expressions."
msgstr "包含有運算式的字串文本。"

#: ../../tutorial/introduction.rst:374
msgid ":ref:`formatstrings`"
msgstr ":ref:`formatstrings`"

#: ../../tutorial/introduction.rst:375
msgid "Information about string formatting with :meth:`str.format`."
msgstr "關於透過 :meth:`str.format` 字串格式化 (string formatting) 的資訊。"

#: ../../tutorial/introduction.rst:377
msgid ":ref:`old-string-formatting`"
msgstr ":ref:`old-string-formatting`"

#: ../../tutorial/introduction.rst:378
msgid ""
"The old formatting operations invoked when strings are the left operand of "
"the ``%`` operator are described in more detail here."
msgstr ""
"在字串為 ``%`` 運算子的左運算元時，將觸發舊的字串格式化操作，更多的細節在本連"
"結中介紹。"

#: ../../tutorial/introduction.rst:385
msgid "Lists"
msgstr "List（串列）"

#: ../../tutorial/introduction.rst:387
msgid ""
"Python knows a number of *compound* data types, used to group together other "
"values.  The most versatile is the *list*, which can be written as a list of "
"comma-separated values (items) between square brackets.  Lists might contain "
"items of different types, but usually the items all have the same type. ::"
msgstr ""
"Python 理解數種複合型資料型別，用來組合不同的數值。當中最多樣變化的型別為 "
"*list*，可以寫成一系列以逗號分隔的數值（稱之元素，即 item），包含在方括號之"
"中。List 可以包合不同型別的元素，但通常這些元素會有相同的型別： ::"

#: ../../tutorial/introduction.rst:392
msgid ""
">>> squares = [1, 4, 9, 16, 25]\n"
">>> squares\n"
"[1, 4, 9, 16, 25]"
msgstr ""
">>> squares = [1, 4, 9, 16, 25]\n"
">>> squares\n"
"[1, 4, 9, 16, 25]"

#: ../../tutorial/introduction.rst:396
msgid ""
"Like strings (and all other built-in :term:`sequence` types), lists can be "
"indexed and sliced::"
msgstr ""
"如同字串（以及其他內建的 :term:`sequence` 型別），list 可以被索引和切片 "
"(slice)： ::"

#: ../../tutorial/introduction.rst:399
msgid ""
">>> squares[0]  # indexing returns the item\n"
"1\n"
">>> squares[-1]\n"
"25\n"
">>> squares[-3:]  # slicing returns a new list\n"
"[9, 16, 25]"
msgstr ""

#: ../../tutorial/introduction.rst:406
msgid "Lists also support operations like concatenation::"
msgstr "List 對支援如接合 (concatenation) 等操作： ::"

#: ../../tutorial/introduction.rst:408
msgid ""
">>> squares + [36, 49, 64, 81, 100]\n"
"[1, 4, 9, 16, 25, 36, 49, 64, 81, 100]"
msgstr ""
">>> squares + [36, 49, 64, 81, 100]\n"
"[1, 4, 9, 16, 25, 36, 49, 64, 81, 100]"

#: ../../tutorial/introduction.rst:411
msgid ""
"Unlike strings, which are :term:`immutable`, lists are a :term:`mutable` "
"type, i.e. it is possible to change their content::"
msgstr ""
"不同於字串是 :term:`immutable`，list 是 :term:`mutable` 型別，即改變 list 的"
"內容是可能的： ::"

#: ../../tutorial/introduction.rst:414
msgid ""
">>> cubes = [1, 8, 27, 65, 125]  # something's wrong here\n"
">>> 4 ** 3  # the cube of 4 is 64, not 65!\n"
"64\n"
">>> cubes[3] = 64  # replace the wrong value\n"
">>> cubes\n"
"[1, 8, 27, 64, 125]"
msgstr ""

#: ../../tutorial/introduction.rst:421
msgid ""
"You can also add new items at the end of the list, by using the :meth:`!list."
"append` *method* (we will see more about methods later)::"
msgstr ""
"你也可以在 list 的最後加入新元素，透過使用 :meth:`!list.append` *方法* "
"(method)（我們稍後會看到更多方法的說明）： ::"

#: ../../tutorial/introduction.rst:424
msgid ""
">>> cubes.append(216)  # add the cube of 6\n"
">>> cubes.append(7 ** 3)  # and the cube of 7\n"
">>> cubes\n"
"[1, 8, 27, 64, 125, 216, 343]"
msgstr ""

#: ../../tutorial/introduction.rst:429
msgid ""
"Simple assignment in Python never copies data. When you assign a list to a "
"variable, the variable refers to the *existing list*. Any changes you make "
"to the list through one variable will be seen through all other variables "
"that refer to it.::"
msgstr ""
"Python 中的簡單賦值永遠不會複製資料。當你將 list 指派給變數時，該變數會參照"
"\\ *現有 list*。任何透過一個變數對 list 所做的更改都將能夠透過參照該變數的所"
"有其他變數看到。 ::"

#: ../../tutorial/introduction.rst:434
msgid ""
">>> rgb = [\"Red\", \"Green\", \"Blue\"]\n"
">>> rgba = rgb\n"
">>> id(rgb) == id(rgba)  # they reference the same object\n"
"True\n"
">>> rgba.append(\"Alph\")\n"
">>> rgb\n"
"[\"Red\", \"Green\", \"Blue\", \"Alph\"]"
msgstr ""

#: ../../tutorial/introduction.rst:442
msgid ""
"All slice operations return a new list containing the requested elements.  "
"This means that the following slice returns a :ref:`shallow copy "
"<shallow_vs_deep_copy>` of the list::"
msgstr ""
"所有切片操作都會回傳一個新的 list ，包含要求的元素。這意謂著以下這個切片回傳"
"了原本 list 的\\ :ref:`淺複製 <shallow_vs_deep_copy>`： ::"

#: ../../tutorial/introduction.rst:446
msgid ""
">>> correct_rgba = rgba[:]\n"
">>> correct_rgba[-1] = \"Alpha\"\n"
">>> correct_rgba\n"
"[\"Red\", \"Green\", \"Blue\", \"Alpha\"]\n"
">>> rgba\n"
"[\"Red\", \"Green\", \"Blue\", \"Alph\"]"
msgstr ""
">>> correct_rgba = rgba[:]\n"
">>> correct_rgba[-1] = \"Alpha\"\n"
">>> correct_rgba\n"
"[\"Red\", \"Green\", \"Blue\", \"Alpha\"]\n"
">>> rgba\n"
"[\"Red\", \"Green\", \"Blue\", \"Alph\"]"

#: ../../tutorial/introduction.rst:453
msgid ""
"Assignment to slices is also possible, and this can even change the size of "
"the list or clear it entirely::"
msgstr "也可以對 slice 賦值，這能改變 list 的大小，甚至是清空一個 list： ::"

#: ../../tutorial/introduction.rst:456
msgid ""
">>> letters = ['a', 'b', 'c', 'd', 'e', 'f', 'g']\n"
">>> letters\n"
"['a', 'b', 'c', 'd', 'e', 'f', 'g']\n"
">>> # replace some values\n"
">>> letters[2:5] = ['C', 'D', 'E']\n"
">>> letters\n"
"['a', 'b', 'C', 'D', 'E', 'f', 'g']\n"
">>> # now remove them\n"
">>> letters[2:5] = []\n"
">>> letters\n"
"['a', 'b', 'f', 'g']\n"
">>> # clear the list by replacing all the elements with an empty list\n"
">>> letters[:] = []\n"
">>> letters\n"
"[]"
msgstr ""

#: ../../tutorial/introduction.rst:472
msgid "The built-in function :func:`len` also applies to lists::"
msgstr "內建的函式 :func:`len` 亦可以作用在 list 上： ::"

#: ../../tutorial/introduction.rst:474
msgid ""
">>> letters = ['a', 'b', 'c', 'd']\n"
">>> len(letters)\n"
"4"
msgstr ""
">>> letters = ['a', 'b', 'c', 'd']\n"
">>> len(letters)\n"
"4"

#: ../../tutorial/introduction.rst:478
msgid ""
"It is possible to nest lists (create lists containing other lists), for "
"example::"
msgstr "也可以嵌套多層 list （建立 list 包含其他 list），例如： ::"

#: ../../tutorial/introduction.rst:481
msgid ""
">>> a = ['a', 'b', 'c']\n"
">>> n = [1, 2, 3]\n"
">>> x = [a, n]\n"
">>> x\n"
"[['a', 'b', 'c'], [1, 2, 3]]\n"
">>> x[0]\n"
"['a', 'b', 'c']\n"
">>> x[0][1]\n"
"'b'"
msgstr ""
">>> a = ['a', 'b', 'c']\n"
">>> n = [1, 2, 3]\n"
">>> x = [a, n]\n"
">>> x\n"
"[['a', 'b', 'c'], [1, 2, 3]]\n"
">>> x[0]\n"
"['a', 'b', 'c']\n"
">>> x[0][1]\n"
"'b'"

#: ../../tutorial/introduction.rst:494
msgid "First Steps Towards Programming"
msgstr "初探程式設計的前幾步"

#: ../../tutorial/introduction.rst:496
msgid ""
"Of course, we can use Python for more complicated tasks than adding two and "
"two together.  For instance, we can write an initial sub-sequence of the "
"`Fibonacci series <https://en.wikipedia.org/wiki/Fibonacci_sequence>`_ as "
"follows::"
msgstr ""
"當然，我們可以用 Python 來處理比 2 加 2 更複雜的工作。例如，我們可以印出\\ `"
"費氏數列 <https://zh.wikipedia.org/zh-tw/"
"%E6%96%90%E6%B3%A2%E9%82%A3%E5%A5%91%E6%95%B0%E5%88%97>`_\\ 的首幾項序列： ::"

#: ../../tutorial/introduction.rst:501
msgid ""
">>> # Fibonacci series:\n"
">>> # the sum of two elements defines the next\n"
">>> a, b = 0, 1\n"
">>> while a < 10:\n"
"...     print(a)\n"
"...     a, b = b, a+b\n"
"...\n"
"0\n"
"1\n"
"1\n"
"2\n"
"3\n"
"5\n"
"8"
msgstr ""

#: ../../tutorial/introduction.rst:516
msgid "This example introduces several new features."
msgstr "這例子引入了許多新的特性。"

#: ../../tutorial/introduction.rst:518
msgid ""
"The first line contains a *multiple assignment*: the variables ``a`` and "
"``b`` simultaneously get the new values 0 and 1.  On the last line this is "
"used again, demonstrating that the expressions on the right-hand side are "
"all evaluated first before any of the assignments take place.  The right-"
"hand side expressions are evaluated  from the left to the right."
msgstr ""
"第一行出現了多重賦值：變數 ``a`` 與 ``b`` 同時得到了新的值 0 與 1。在最後一行"
"同樣的賦值再被使用了一次，示範了等號的右項運算 (expression) 會先被計算 "
"(evaluate)，賦值再發生。右項的運算式由左至右依序被計算。"

#: ../../tutorial/introduction.rst:524
msgid ""
"The :keyword:`while` loop executes as long as the condition (here: ``a < "
"10``) remains true.  In Python, like in C, any non-zero integer value is "
"true; zero is false.  The condition may also be a string or list value, in "
"fact any sequence; anything with a non-zero length is true, empty sequences "
"are false.  The test used in the example is a simple comparison.  The "
"standard comparison operators are written the same as in C: ``<`` (less "
"than), ``>`` (greater than), ``==`` (equal to), ``<=`` (less than or equal "
"to), ``>=`` (greater than or equal to) and ``!=`` (not equal to)."
msgstr ""
":keyword:`while` 迴圈只要它的條件為真（此範例：``a < 10``），將會一直重覆執"
"行。在 Python 中如同 C 語言，任何非零的整數值為真 (true)；零為假 (false)。條"
"件可以是字串、list、甚至是任何序列型別；任何非零長度的序列為真，空的序列即為"
"假。本例子使用的條件是個簡單的比較。標準的比較運算子 (comparison operators) "
"使用如同 C 語言一樣的符號：``<``\\ （小於）、``>``\\ （大於）、``==``\\ （等"
"於）、``<=``\\ （小於等於）、``>=``\\ （大於等於）以及 ``!=``\\ （不等於）。"

#: ../../tutorial/introduction.rst:533
msgid ""
"The *body* of the loop is *indented*: indentation is Python's way of "
"grouping statements.  At the interactive prompt, you have to type a tab or "
"space(s) for each indented line.  In practice you will prepare more "
"complicated input for Python with a text editor; all decent text editors "
"have an auto-indent facility.  When a compound statement is entered "
"interactively, it must be followed by a blank line to indicate completion "
"(since the parser cannot guess when you have typed the last line).  Note "
"that each line within a basic block must be indented by the same amount."
msgstr ""
"迴圈的主體會\\ *縮排*：縮排在 Python 中用來關連一群陳述式。在互動式提示字元"
"中，你必須在迴圈內的每一行一開始鍵入 tab 或者（數個）空白來維持縮排。實務上，"
"你會先在文字編輯器中準備好比較複雜的輸入；多數編輯器都有自動縮排的功能。當一"
"個複合陳述式以互動地方式輸入，必須在結束時多加一行空行來代表結束（因為語法剖"
"析器無法判斷你何時輸入複合陳述的最後一行）。注意在一個縮排段落內的縮排方式與"
"數量必須維持一致。"

#: ../../tutorial/introduction.rst:542
msgid ""
"The :func:`print` function writes the value of the argument(s) it is given. "
"It differs from just writing the expression you want to write (as we did "
"earlier in the calculator examples) in the way it handles multiple "
"arguments, floating-point quantities, and strings.  Strings are printed "
"without quotes, and a space is inserted between items, so you can format "
"things nicely, like this::"
msgstr ""
":func:`print` 函式印出它接收到引數（們）的值。不同於先前僅我們寫下想要的運算"
"（像是先前的計算機範例），它可以處理複數個引數、浮點數數值和字串。印出的字串"
"將不帶有引號，並且不同項目間會插入一個空白，因此可以讓你容易格式化輸出，例"
"如： ::"

#: ../../tutorial/introduction.rst:549
msgid ""
">>> i = 256*256\n"
">>> print('The value of i is', i)\n"
"The value of i is 65536"
msgstr ""
">>> i = 256*256\n"
">>> print('The value of i is', i)\n"
"The value of i is 65536"

#: ../../tutorial/introduction.rst:553
msgid ""
"The keyword argument *end* can be used to avoid the newline after the "
"output, or end the output with a different string::"
msgstr ""
"關鍵字引數 *end* 可以被用來避免額外的換行符加入到輸出中，或者以不同的字串結束"
"輸出： ::"

#: ../../tutorial/introduction.rst:556
msgid ""
">>> a, b = 0, 1\n"
">>> while a < 1000:\n"
"...     print(a, end=',')\n"
"...     a, b = b, a+b\n"
"...\n"
"0,1,1,2,3,5,8,13,21,34,55,89,144,233,377,610,987,"
msgstr ""
">>> a, b = 0, 1\n"
">>> while a < 1000:\n"
"...     print(a, end=',')\n"
"...     a, b = b, a+b\n"
"...\n"
"0,1,1,2,3,5,8,13,21,34,55,89,144,233,377,610,987,"

#: ../../tutorial/introduction.rst:565
msgid "Footnotes"
msgstr "註解"

#: ../../tutorial/introduction.rst:566
msgid ""
"Since ``**`` has higher precedence than ``-``, ``-3**2`` will be interpreted "
"as ``-(3**2)`` and thus result in ``-9``.  To avoid this and get ``9``, you "
"can use ``(-3)**2``."
msgstr ""
"因為 ``**`` 擁有較 ``-`` 高的優先次序，``-3**2`` 會被解釋為 ``-(3**2)`` 並得"
"到 ``-9``。如果要避免這樣的優先順序以得到 ``9``，你可以使用 ``(-3)**2``。"

#: ../../tutorial/introduction.rst:570
msgid ""
"Unlike other languages, special characters such as ``\\n`` have the same "
"meaning with both single (``'...'``) and double (``\"...\"``) quotes. The "
"only difference between the two is that within single quotes you don't need "
"to escape ``\"`` (but you have to escape ``\\'``) and vice versa."
msgstr ""
"不像其他語言，特殊符號如 ``\\n`` 在單 (``'...'``) 和雙 (``\"...\"``) 引號中有"
"相同的意思。兩種引號的唯一差別，在於使用單引號時，不需要跳脫 ``\"``\\ （但必"
"須跳脫 ``\\'``\\ ），反之亦同。"

#: ../../tutorial/introduction.rst:21
msgid "# (hash)"
msgstr "# (hash)"

#: ../../tutorial/introduction.rst:21
msgid "comment"
msgstr "comment（註解）"