weixin_43387060的博客

第 2 章 变量和数据类型

第3章 列表【动手试一试 】练习题：列表元素访问：# 3-1names = ['David','Alice','Carolina']print('Welcome, '+ names[0] +'.')print('Welcome, '+ names[1] +'.')print('Welcome, '+ names[2] +'.')列表元素修改、插入、删除：# 3-4visit...

第4章 操作列表【动手试一试】练习题#4-3 数到20for number in range(1,21): print(number)#4-5 计算 1~1000000 的总和numbers = list(range(1,1000000))print(sum(numbers))#4-7 3的倍数numbers = list(range(3,31,3))print(numb...

第 8 章 函数# 8-1def display_message(msg): print("Hello,"+msg.title()+"!")display_message('jessi')# 8-2def favorite_book(title): print("One of my favorite books is: "+title.title())favorit...

第5章 if 语句课后题#5-1car='subaru'print("Is car=='subaru'?I predict TRUE")print (car == 'subaru')print("\nIs car == 'audi'?I predict False")print(car=='audi')#5-2str1='Sunday'str2='sunday'print...

第 6 章 字典课后题#6-1user = { 'first_name':'marle', 'last_name':'curle', 'age':25, 'city':'Beijing',}print(user)#6-2favorite_numbers = { 'jen':2, 'sarah':5, 'edward':7,...

第 7 章 用户输入和while循环课后题# 7-1message = input("What kind car do you need? ")print("Let me see if I can find you a "+message)#7-2message = input("How many people have the dinner? ")message = int(m...