第三周作业（周三）

第6章作业

习题6-1

>>> person = {'first_name':'Alice', 'last_name': 'Bob', 'age':18, 'city':'Guangzhou'}
>>> person
{'first_name': 'Alice', 'last_name': 'Bob', 'age': 18, 'city': 'Guangzhou'}
>>> print(person['first_name'])
Alice
>>> print(person['last_name'])
Bob
>>> print(person['age'])
18
>>> print(person['city'])
Guangzhou

习题6-6

favorite_languages = {
    'jen': 'python',
    'serah': 'c',
    'edward': 'ruby',
    'phil': 'python',
}

people = ['alice', 'jen', 'bob', 'phil']

for person in people:
    if person not in favorite_languages.keys():
        print(person + ', please take our poll!')
    else:
        print(person + ', thank you for taking the poll.')

Output:

alice, please take our poll!
jen, thank you for taking the poll.
bob, please take our poll!
phil, thank you for taking the poll.

习题6-8

favorite_places = {
    'alice': ['Guangzhou', 'Shenzhen', 'Beijing'],
    'bob': ['Hangzhou', 'Shanghai'],
    'ben': ['Chengdu'],
}

for person, places in favorite_places.items():
    print('Person: ' + person)
    print('Places:')
    for i in places:
        print(i)
    print('')

Output

Person: alice
Places:
Guangzhou
Shenzhen
Beijing

Person: bob
Places:
Hangzhou
Shanghai

Person: ben
Places:
Chengdu