add week 5 exercise

Author: ougx

week5_exercise.ipynb

@@ -0,0 +1,103 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### 1. Write a format string (using `str.format()` and `f'string'`) that will take the following four element tuple:\n",
+    "\n",
+    "`( 2, 123.4567, 10000, 12345.67)`\n",
+    "\n",
+    "and produce:\n",
+    "    \n",
+    "`'file_002 :   123.46, 1.00e+04, 1.23e+04'`"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### 2. Write a python function that output the following formatted string based on the input iterable:\n",
+    "\n",
+    "`'The n numbers are: i1, i2, i3, ...'`\n",
+    "    \n",
+    "where `n` is the number in the iterable and `i1, i2 ...` are the items inside the iterable. \n",
+    "\n",
+    "for example:\n",
+    "\n",
+    "`func([1, 2, 3])` will return `'The 3 numbers are: 1, 2, 3'`\n",
+    "\n",
+    "`func((6, 7, 8, 9))` will return `'The 4 numbers are: 6, 7, 8, 9'`"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### 3. Write a similar function as the last one but it inputs variable-length arguments instead\n",
+    "\n",
+    "`func(1, 2, 3)` will return `'The 3 numbers are: 1, 2, 3'`\n",
+    "\n",
+    "`func(6, 7, 8, 9)` will return `'The 4 numbers are: 6, 7, 8, 9'`"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### 4. Write a format string (f'string') that will take the following tuple and return the formatted string below:\n",
+    "\n",
+    "Tuple: `(4, 30, 2017, 2, 27)`\n",
+    "\n",
+    "Return: `'02 27 2017 04 30'`"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### 5. Write a format string (f'string') that will take the following input and return the formatted string below:\n",
+    "\n",
+    "Input: `['oranges', 1.3, 'lemons', 1.1]`\n",
+    "    \n",
+    "Return: `'The weight of an orange is 1.3 and the weight of a lemon is 1.1 and the total weight is 2.4'`"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### 6. Write a function that will format each item in an input iterable object into a customized width \n",
+    "\n",
+    "syntax: `func(iterable, width)`\n",
+    "\n",
+    "for example:\n",
+    "    \n",
+    "`func([1, 2, 3, 4, 5], 3)`  return `'  1  2  3  4  5'`\n",
+    "\n",
+    "`func([1, 2, 3, 4, 5], 2)`  return `' 1 2 3 4 5'`"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.7.6"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 4
+}