《Python编程：从入门到实践》课后习题-第4章

4-1 比萨

#4-1 比萨

lists = ['chicken','beef','Peking Duck']
for list in lists:
    print("I like " + list + " pizza.")
print"\nThe chicken pizza is delicious!\nThe beef pizza tastes great!\nThe Pecking Duck pizza is a little spicy!"
print"I really love pizza!"

4-2 动物

#4-2 动物

lists = ['cat','dog','bird']
for list in lists:
    print("A " + list + " would make a great pet")
print "Any of these animals would make a great pet!"

4-3 数到20

#4-3 数到20

for value in range(1,21):
    print value

4-4 一百万

#4-4 一百万

numbers = list(range(1,1000001))
print numbers

4-5 计算1~1000000的总和

#4-5 计算1~1000000的总和

digits = list(range(1,1000001))
print max(digits)
print min(digits)
print sum(digits)

4-6 奇数

#4-6 奇数

even_numbers = list(range(1,21,2))
for number in even_numbers:
    print number

4-7 3的倍数

#4-7 3的倍数

numbers = list(range(3,31,3))
for number in numbers:
    print number

4-8 立方

#4-8 立方

cubics = []
for value in range(1,11):
    cubic = value**3
    cubics.append(cubic)
print cubics

4-9 立方解析

#4-9 立方解析

cubics = [value**3 for value in range(1,11)]
print cubics

4-10 切片

#4-10 切片

numbers = list(range(3,31,3))
print numbers
print("The first three items in the list are: " + str(numbers[:3]))
print("Three items from the middle of the list are: " + str(numbers[2:5]))
print("The last three items in the list are: " + str(numbers[-3:]))

4-11 你的比萨和我的比萨

#4-11 你的比萨和我的比萨

lists = ['chicken','beef','Peking Duck']
for list in lists:
    print("I like " + list + " pizza.")
#创建副本
friend_pizzas = lists[:]
#在原来的比萨列表中添加
lists.append('vegetables')
#在朋友的列表中添加
friend_pizzas.append('ham')
#核实两个列表
print "\nMy favorite pizzas are:"
for list in lists:
    print list
print "\nMy friend's favorite pizzas are:"
for pizza in friend_pizzas:
    print pizza

4-12 使用多个循环

同4-11

4-13 自助餐

#4-13 自助餐

dimensions = ('vegetable','beef','chicken','carrot','Peking Duck')
for dimension in dimensions:
    print dimension
dimensions = ('vegetable','beef','chicken','ham','Peking Duck')
print"\n"
for dimension in dimensions:
    print dimension