《Python编程：从入门到实践》第四章 操作列表 习题答案

#4.1
pizzas = [\'KFC\',\'MDL\',\'DKS\']
\'\'\'1\'\'\'
for pizza in pizzas:
    print(pizza);
\'\'\'2\'\'\'
for pizza in pizzas:
    print("I like "+ pizza +" pizza!")
\'\'\'3\'\'\'
print("My favourite pizza is KFC and I really love pizza!")

#4.2
animals = [\'cat\',\'tiger\',\'dog\']
\'\'\'1\'\'\'
for animal in animals:
    print(animal)
\'\'\'2\'\'\'
for animal in animals:
    print("A " + animal +" would like a great pet!")
\'\'\'3\'\'\'
print("Any of these animals would like a great pet!")

#4.3
for i in range(1,21):
    print(i)

#4.4
numberList = []
for i in range(1,1000001):
    numberList.append(i)
print(numberList)

#4.5
numberList = []
for i in range(1,1000001):
    numberList.append(i)
print(min(numberList))
print(max(numberList))
print(sum(numberList))

#4.6
oddNumber = []
for odd in range(1,21,2):
    oddNumber.append(odd)
for odd in oddNumber:
    print(odd)

#4.7
divideByThere = []
for i in range(3,31,3):
    divideByThere.append(i)
for i in divideByThere:
    print(i)

#4.8
number = []
for i in range(1,11):
    number.append(i**3)
for i in number:
    print(i)

#4.9
cube = [i**3 for i in range(1,11)]
print(cube)

#4.10
cube = [i**3 for i in range(1,11)]
print("The first there items in the list are:" + str(cube[0:3]))
print("The items from the middle of the list are:" + str(cube[4:7]))
print("The last there items in the list are:" + str(cube[-3:]))

#4.11
pizzas = [\'KFC\',\'MDL\',\'DKS\']
friend_pizzas = pizzas[:]
print(friend_pizzas)
pizzas.append(\'JGM\')
friend_pizzas.append(\'BSK\')
print("My favourite pizzas are:")
for pizza in pizzas:
    print(pizza)
print("My friend\'s favourite pizzas are:")
for pizza in friend_pizzas:
    print(pizza)

#4.12
略

#4.13
foods = (\'noodle\',\'humburger\',\'pizza\',\'donut\',\'sanwiches\')
for food in foods:
    print(food)
#foods(0) =\'egg\'
foods = (\'egg\',\'humburger\',\'pizza\',\'donut\',\'dumplings\')
print(foods)

#4.14略
#4.15略