# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/20
from _for_ex import pt_title
pt_title('EX 5 - 8 & 9')
# EX 5-8
users = ['jack', 'stven', 'mary', 'admin', 'oliver']
# users = [] # for ex 5-9
if users:
for user in users:
if user == 'admin':
print("Hello " + user.title() +
", would you like to see a status report?")
else:
print("Hello " + user.title() +
", thank you for logging in again.")
else:
print("We need to find some users!")
# EX 5 - 9
pt_title('EX 5 - 10')
current_users = ['jack', 'stven', 'mary', 'admin', 'oliver', 'lee', 'wesley']
new_users = ['mary', 'oliver', 'wesley', 'frank', 'wesley', 'lemon']
for new_user in new_users:
if new_user.lower() in current_users:
print("The username " + new_user.title() +
" already exists and cannot be created.")
else:
print("The new username " + new_user.title() + " are created!")
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/22
from _for_ex import pt_title
pt_title('favorite_languages.py'.upper())
# def get_languages(name):
# print(name.title() + "'s favorite language is " +
# favorite_languages[name].title() + ".")
# favorite_languages = {
# 'jen': 'python',
# 'sarah': 'c',
# 'edward': 'ruby',
# 'phil': 'python',
# }
# for n in favorite_languages:
# get_languages(n)
# pt_title("new favorite languages".title())
# friends = ['phil', 'sarah']
# for name in favorite_languages.keys():
# print(name.title())
# if name in friends:
# print(" Hi " + name.title() + ", I see your favorite language is " +
# favorite_languages[name] + "!")
# if 'erin' not in favorite_languages.keys():
# print("Erin, please take our poll!\n")
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/23
from _for_ex import pt_title
pt_title('confirmed_users.py'.upper())
# 首先，创建一个待验证用户列表
# 和一个用于存储已验证用户的空列表
unconfirmed_users = ['alice', 'brian', 'candace']
confirmed_users = []
# 验证每个用户，直到没有未验证用户为止
# 将每个经过验证的列表都移到已验证用户列表中
while unconfirmed_users:
current_user = unconfirmed_users.pop()
print("Verifying user: "******"\nThe following users have been confirmed:")
for confirmed_user in confirmed_users:
print(confirmed_user.title())
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/24
from _for_ex import pt_title
pt_title('greeter.py'.upper())
def get_formatted_name(first_name, last_name):
"""返回整洁的姓名"""
full_name = first_name + ' ' + last_name
return full_name.title()
while True:
print("\nPlease tell me your name:")
print("(Enter 'q' at any time to quit)")
f_name = input("First name: ")
if f_name == 'q':
break
l_name = input("Last name: ")
if l_name == 'q':
break
formatted_name = get_formatted_name(f_name, l_name)
print("\nHello, " + formatted_name + "!")
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/19
from _for_ex import pt_title
pt_title('banned_user.py')
banned_users = ['andrew', 'carolina', 'david']
user = '******'
if user not in banned_users:
print(user.title() + ", you can post a response if you wish.")
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/24
from _for_ex import pt_title
pt_title('EX 7 - 8')
sandwich_orders = ['培根三明治', '鸡蛋三明治', '火腿三明治']
finished_sandwiches = []
while sandwich_orders:
sandwich_order = sandwich_orders.pop()
finished_sandwiches.append(sandwich_order)
print("我正在制作你的" + sandwich_order + "。")
print("\n--- Finished Sandwiches ---")
for finished_sandwiche in finished_sandwiches:
print(finished_sandwiche + "已经制作完成。")
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/26
from _for_ex import pt_title
from name_function import get_formatted_name
pt_title('names.py'.upper())
print("Enter 'q' at any time to quit.")
while True:
first = input("\nPlease give me a first name: ")
if first == 'q':
break
last = input("\nPlease give me a last name: ")
if last == 'q':
break
formatted_name = get_formatted_name(first, last)
print("\tNeatly formatted name: " + formatted_name + ".")
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/23
from _for_ex import pt_title
pt_title('parrot.py'.upper())
# message = input("Tell me something, and I will repeat it back to you: ")
# print(message)
# name = input("Please enter your name: ")
# print("Hello, " + name.title() + "!")
# prompt = "If you tell us who you are, we can personalize the message you see."
# prompt += "\nWhat is your first name? "
# name = input(prompt)
# print("Hello, " + name.title() + "!")
prompt = "\nTell me something, and I will repeat it back to you:"
prompt += "\nEnter 'quit' to end the program. "
message = ""
active = True
while active:
message = input(prompt)
if message.lower() != 'quit':
print(message.title())
else:
active = False
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/23
from _for_ex import pt_title
pt_title('pets.py'.upper())
pets = ['goldfish', 'dog', 'cat', 'dog', 'cat', 'rabbit', 'cat']
print(pets)
while 'cat' in pets:
pets.remove('cat')
print(sorted(set(pets)))
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/26
from _for_ex import pt_title
pt_title('survey.py'.upper())
class AnonymousSurvey():
"""收集匿名调查问卷的答案"""
def __init__(self, question):
"""存储一个问题，并为存储答案做准备"""
self.question = question
self.responses = []
def show_question(self):
"""显示调查问卷"""
print(self.question)
def store_response(self, new_responses):
"""存储单份调查卷"""
self.responses.append(new_responses)
def show_results(self):
"""显示收集到的所有答卷"""
print("Survey results:")
for response in self.responses:
print('- ' + response)
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/24
from _for_ex import pt_title
pt_title('user_profile.py'.upper())
def build_profile(first, last, **user_info):
profile = {}
profile['first_name'] = first
profile['last_name'] = last
for key, value in user_info.items():
profile[key] = value
return profile
user_profile = build_profile('albert',
'einstein',
location='princeton',
field='physics')
print(user_profile)
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/22
from _for_ex import pt_title
pt_title('aliens.py'.upper())
# alien_0 = {'color': 'green', 'points': 5}
# alien_1 = {'color': 'yellow', 'points': 10}
# alien_2 = {'color': 'red', 'points': 15}
# aliens = [alien_0, alien_1, alien_2]
# for alien in aliens:
# print(alien)
aliens = []
for alien_number in range(30):
new_alien = {'color': 'green', 'points': 5, 'speed': 'slow'}
aliens.append(new_alien)
for alien in aliens[0:3]:
if alien['color'] == 'green':
alien['color'] = 'yellow'
alien['points'] = 10
alien['speed'] = 'medium'
elif alien['color'] == 'yellow':
alien['color'] = 'red'
alien['points'] = 15
alien['speed'] = 'fast'
for alien in aliens[:10]:
# -*- coding: utf-8 -*-
# cretae by o.c. 20-18/7/24
from _for_ex import pt_title
pt_title('mountain_poll.py'.upper())
responses = {}
# 设置一个标志，指出调查是否继续
polling_active = True
while polling_active:
# 提示输入被调查者的名字和回答
name = input("\nWhat is your name? ")
response = input("Which mountain would you like to climb someday? ")
# 将答卷存储在字典中
responses[name] = response
# 看看是否还有人要参与调查
repeat = input("Would you like to let another person respond? (yes/ no) ")
repeats = ['n', 'no']
if repeat.lower() in repeats:
polling_active = False
# 调查结束，显示结果
print("\n--- Poll Results ---")
for name, response in responses.items():
print(name.title() + " would like to climb " + response.title() + ".")
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/26
import unittest
from _for_ex import pt_title
from survey import AnonymousSurvey
pt_title('test_survey.py'.upper())
class TestAnonymousSurvey(unittest.TestCase):
"""针对AnonymousSurvey类的测试"""
def setUp(self):
"""创建一个调查对象和一组答案，供使用的测试方法使用"""
question = "What language did you first learn to speak?"
self.my_survey = AnonymousSurvey(question)
self.responses = ['English', 'Spanish', 'Mandarin']
def test_store_single_response(self):
"""测试单个答案会被妥善地存储"""
self.my_survey.store_response(self.responses[0])
self.assertIn(self.responses[0], self.my_survey.responses)
def test_store_three_response(self):
"""测试三个答案会被妥善地存储"""
for response in self.responses:
self.my_survey.store_response(response)
for response in self.responses:
self.assertIn(response, self.my_survey.responses)
unittest.main()
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/25
from _for_ex import pt_title
from pizza import make_pizza as mp
pt_title('making_pizzas.py'.upper())
mp(16, 'pepperoni')
mp(12, 'mushrooms', 'green peppers', 'extra cheese')
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/23
from _for_ex import pt_title
pt_title('counting.py'.upper())
# current_number = 1
# while current_number <= 5:
# print(current_number)
# current_number += 1
current_number = 0
while current_number < 100:
current_number += 1
if current_number % 10 == 0:
print()
if current_number % 2 == 0:
continue
print(current_number, end='\t')
print()
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/20
from _for_ex import pt_title
pt_title('alien.py')
# alien_0 = {'color': 'green', 'points': 5}
# print(alien_0['color'])
# print(alien_0['points'])
# new_points = alien_0['points']
# print("You just earned " + str(new_points) + " points!")
# alien_0['x_position'] = 0
# alien_0['y_position'] = 25
# print(alien_0)
# pt_title('new line')
# alien_0 = {}
# alien_0['color'] = 'green'
# alien_0['points'] = 5
# print("The alien is " + alien_0['color'] + ".")
# alien_0['color'] = 'yellow'
# print("The alien is now " + alien_0['color'] + ".")
# print(alien_0)
alien_0 = {'x_position': 0, 'y_position': 25, 'speed': 'medium'}
print("Original x-position: " + str(alien_0['x_position']))
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/22
from _for_ex import pt_title
pt_title('many_users.py'.upper())
users = {
'aeinstein': {
'first': 'albert',
'last': 'einstein',
'location': 'princeton',
},
'mcurie': {
'first': 'marie',
'last': 'curie',
'location': 'paris',
}
}
for username, user_info in users.items():
print("\nUsername: "******" " + user_info['last']
location = user_info['location']
print("\tFull name: " + full_name.title())
print("\tLocation: " + location.title())
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/24
from _for_ex import pt_title
pt_title('EX 8 - 1')
def display_message():
print("I study function.")
display_message()
# EX 8-2
pt_title('EX 8 - 2')
def favorite_book(title):
print("One of my favorite books is " + title)
favorite_book("Alice in Wonderland")
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/24
from _for_ex import pt_title
pt_title('greet_users.py'.upper())
def greet_users(names):
for name in names:
msg = "Hello, " + name.title() + "!"
print(msg)
username = ['hannah', 'ty', 'margot']
greet_users(username)
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/24
from _for_ex import pt_title
pt_title('EX 7 - 10')
places = {}
polling_active = True
while polling_active:
name = input("What is your name? ")
where = input(
"If you could visit one place in the world, where would you go? ")
places[name] = where
respond = input("Would you like to let another person respond? (yes/ no) ")
if respond.lower() in ['n', 'no']:
polling_active = False
print("\n--- Poll Results ---")
for name, where in places.items():
print(name.title() + "'s dream vacation destination is " + where.title() +
".")
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/25
from _for_ex import pt_title
pt_title('EX 10 - 1')
# EX 10-1
filename = 'E:/learnPython/Python编程_从入门到实践/learning_python.txt'
with open(filename) as file_object:
print(file_object.readlines())
print()
file_object.seek(0)
for line in file_object.readlines():
print(line, end='')
print()
file_object.seek(0)
lines = file_object.readlines()
for line in lines:
print(line, end='')
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/25
from _for_ex import pt_title
pt_title('word_count.py'.upper())
def count_words(filename):
try:
with open(path + filename, encoding='utf-8') as f_obj:
contents = f_obj.read()
except FileNotFoundError:
msg = "Sorry, the file " + filename + " does not exist."
print(msg)
else:
words = contents.split()
num_words = len(words)
print("The file " + filename + " has about " + str(num_words) +
" words.")
path = './/_txts//'
filenames = [
'alice_in_wonderland.txt', 'maupassant.txt', 'hints_on_child-training.txt',
'limitations.txt', 'hideline.txt'
]
for filename in filenames:
count_words(filename)
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/26
from _for_ex import pt_title
import json
pt_title('EX 10 - 13')
def get_stored_username():
"""如果存储了用户，就获取他"""
filename = './/_jsons//username.json'
try:
with open(filename) as f_obj:
username = json.load(f_obj)
except FileNotFoundError:
return None
else:
return username
def get_new_username():
"""提示用户输入用户名"""
filename = './/_jsons//username.json'
username = input("What is your name? ")
with open(filename, 'w') as f_obj:
json.dump(username, f_obj)
return username
def greet_user():
"""问候用户，并指出其名字"""
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/20
from _for_ex import pt_title
pt_title('toppings.py')
available_toppings = [
'mushrooms', 'olives', 'green peppers', 'pepperoni', 'pineapple',
'extra cheese'
]
requested_toppings = ['mushrooms', 'french fries', 'extra cheese']
for requested_topping in requested_toppings:
if requested_topping in available_toppings:
print("Adding " + requested_topping + ".")
else:
print("Sorry, we don't have " + requested_topping + ".")
print("\nFinished making your pizza!")
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/25
from _for_ex import pt_title
# EX 8-12
# 三明治 sandwich 食材 ingredients 描述 describe
pt_title('EX 8 - 12')
def made_sandwich(*ingredients):
print("\n--- Now making your sandwich ---")
for ingredinet in ingredients:
print("- " + ingredinet)
made_sandwich('ham 火腿', 'eggs 鸡蛋', 'sausage 香肠')
made_sandwich('eggs 鸡蛋', 'cheese 芝士')
made_sandwich('bacon 培根', 'eggs 鸡蛋', 'cheese 芝士', 'ham 火腿')
# EX 8-13
pt_title('EX 8 - 13')
def build_profile(first, last, **user_info):
profile = {}
profile['first_name'] = first
profile['last_name'] = last
for key, value in user_info.items():
profile[key] = value
return profile
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/26
from _for_ex import pt_title
from survey import AnonymousSurvey
pt_title('language_survey.py'.upper())
question = "What language did you first learn to speak?"
my_survey = AnonymousSurvey(question)
my_survey.show_question()
print("Entry 'q' at any time to quit.\n")
while True:
response = input("Language: ")
if response == 'q':
break
my_survey.store_response(response)
print("\nThank you to everyone who participated in the survey!")
my_survey.show_results()
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/25
from _for_ex import pt_title
pt_title('EX 10 - 3')
# EX 10-3
filename = './/_txts//guest.txt'
user_name = input("Please enter your name: ")
with open(filename, 'a') as file_object:
file_object.write(user_name + "\n")
from _for_ex import pt_title
my_foods = ['pizza', 'falafel', 'carrot cake']
friend_foods = my_foods[:]
my_foods.append('cannoli')
friend_foods.append('ice cream')
# print("My favorite foods are:")
# print(my_foods)
# print("\nMy friend's favorite foods are:")
# print(friend_foods)
# 4-10
pt_title('EX 4 - 10')
print("The full items in the list are:")
print(my_foods)
print("\nThe first three items in the list are:")
print(my_foods[:3])
print("\nThe items from the middle of the list are:")
print(my_foods[1:4])
print("\nThe last three items in the list are:")
print(my_foods[-3:])
# 4-11
pt_title('EX 4 - 11')
pizzas = ['seafood pizza 海鲜披萨', 'cheese pizza 芝士披萨']
friend_pizzas = pizzas[:]
# -*- coding: utf-8 -*-
# cretae by o.c. 2018/7/25
from _for_ex import pt_title
pt_title('EX 10 - 4')
filename = ".//_txts//guest_book.txt"
with open(filename, 'a') as file_object:
while True:
print("\n--- Please enter your name ---")
print("(enter 'q' to quit) ")
guest_name = input("> ")
if guest_name.lower() == 'q':
break
else:
print("\nHello " + guest_name.title() + ".")
file_object.write(guest_name.title() + "\n")
