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‎.ipynb_checkpoints/week3-checkpoint.ipynb

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{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"1. Write a Python function that takes a list of words and reytrns the length of the longest one"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 63,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"(8, 'resberry')"
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]
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},
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"execution_count": 63,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"list1 = ['apple', 'banana', 'resberry', 'avacado']\n",
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"def get_longest_word(word_list):\n",
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" max_len = 0\n",
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" for word in word_list:\n",
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" if len(word) > max_len:\n",
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" max_len = len(word)\n",
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" result = word\n",
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" return max_len, result\n",
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"\n",
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"get_longest_word(list1)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"scrolled": false
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},
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"outputs": [],
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"source": []
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"2. Write a Python program to count the number of characters in a string"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 68,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"11"
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]
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},
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"execution_count": 68,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"text = \"hello world\"\n",
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"def count_chars(txt):\n",
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" result = 0\n",
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" for char in txt:\n",
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" result += 1\n",
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" return result\n",
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"count_chars(text)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 76,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"11"
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]
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},
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"execution_count": 76,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"# second \n",
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"text = \"hello world\"\n",
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"def count_chars2(txt):\n",
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" return len(list(txt))\n",
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"count_chars2(text)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"3. Write a Python program to sort (ascending and descending) a dictionary by value"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 60,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"{'a': 1, 'b': 100, 'c': 77, 'd': 66, 'e': 55}\n"
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]
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}
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],
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"source": [
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"dict1 = {'a':1, 'b':100, 'c':77, 'd':66, 'e':55}\n",
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"print(dict1)\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": []
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.7.4"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 2
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}

‎git

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filter.lfs.process=git-lfs filter-process --skip
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user.name=lzhanggit
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[email protected]
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filter.lfs.smudge=git-lfs smudge -- %f
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remote.origin.url=https://github.com/lzhanggit/pythonlab.git
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branch.master.remote=origin
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branch.master.merge=refs/heads/master
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‎week3.ipynb

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{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
6+
"source": [
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"1. Write a Python function that takes a list of words and reytrns the length of the longest one"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 63,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"(8, 'resberry')"
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]
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},
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"execution_count": 63,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"list1 = ['apple', 'banana', 'resberry', 'avacado']\n",
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"def get_longest_word(word_list):\n",
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" max_len = 0\n",
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" for word in word_list:\n",
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" if len(word) > max_len:\n",
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" max_len = len(word)\n",
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" result = word\n",
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" return max_len, result\n",
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"\n",
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"get_longest_word(list1)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"scrolled": false
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},
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"outputs": [],
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"source": []
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"2. Write a Python program to count the number of characters in a string"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 68,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"11"
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]
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},
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"execution_count": 68,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"text = \"hello world\"\n",
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"def count_chars(txt):\n",
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" result = 0\n",
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" for char in txt:\n",
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" result += 1\n",
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" return result\n",
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"count_chars(text)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 76,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"11"
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]
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},
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"execution_count": 76,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"# second \n",
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"text = \"hello world\"\n",
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"def count_chars2(txt):\n",
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" return len(list(txt))\n",
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"count_chars2(text)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"3. Write a Python program to sort (ascending and descending) a dictionary by value"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 60,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"{'a': 1, 'b': 100, 'c': 77, 'd': 66, 'e': 55}\n"
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]
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}
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],
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"source": [
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"dict1 = {'a':1, 'b':100, 'c':77, 'd':66, 'e':55}\n",
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"print(dict1)\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": []
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.7.4"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 2
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}

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