某网站有很多用户,每个用户都有单独的用户名。使用字典存储用户的信息,其中以用户名为字典键,用户的信息为字典的值。由于用户信息中存有姓名和地址信息,所有需要在字典中嵌套字典。
# 创建字典存放网站用户信息
users = {
'aeinstein': {
'first': 'albert',
'last': 'einstein',
'location': 'princeton',
},
'mcurie': {
'first': 'marie',
'last': 'curie',
'location': 'paris',
},
}
# 使用for循环遍历字典,输出用户信息
for username,user_info in users.items():
print ("\nUsername: " + username)
fullname = user_info['first'] + " " + user_info['last']
location = user_info['location']
print ("\tFull name: " + fullname.title())
print ("\tLocation: " + location.title())
输出为:
>>> ================================ RESTART ================================
>>>
Username: aeinstein
Full name: Albert Einstein
Location: Princeton
Username: mcurie
Full name: Marie Curie
Location: Paris