python编程从入门到实践 答案 9-13 -- 9-15_ordereddict9-15

9-13 使用OrderedDict

from collections import OrderedDict

favorite_languages = OrderedDict()

favorite_languages['ken'] = 'c'
favorite_languages['jack'] = 'PHP'
favorite_languages['ben'] = 'JAVA'
favorite_languages['phile'] = 'R'

for name, language in favorite_languages.items():
    print(name.title() + "'s favorite language is:" + language.title())

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运行
运行

9-14 骰子

from random import randint

class Die():
    def __init__(self,sides=6):
        self.sides = sides

    def roll_die(self):
        self.sides = randint(1,6)
        print(self.sides)

    def roll_die_10(self):
        self.sides = randint(1,10)
        print(self.sides)

    def roll_die_20(self):
        self.sides = randint(1,20)
        print(self.sides)

die = Die(6)
print("6")
for i in range(0,10):
    die.roll_die()

print("10")
for i in range(0,10):
    die.roll_die_10()

print("20")
for i in range(0,10):
    die.roll_die_20()
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运行
运行