求大神解答
states = {'Oregon':'OR',
'Florida':'Fl',
'California':'Ca',
'New York': 'NY',
'Michigan':'MI'
}
cities = {
"CA":'San Francisco',
'MI':'Detroit',
'FL':'jacksonville'
}
cities['NY'] = 'New York'
cities['OR'] = 'Portland'
print('-' * 10 )
print('NY Steat has:',cities['NY'])
print('OR Steat has:',cities['OR'])
print('-' * 10)
print("Michigan's abbreviation is:",states['Michigan'])
print("Florida's abbreviation is:",states['Florida'])
print('-' * 10)
print("Michigan has:",cities])
print("Florida has:",cities])
print('-' * 10)
for state, abbrev in list(states.items()):
print(f"{abbrev} has the city {abbrev}")
print('-' * 10)
for abbrev,city in list(cities.items()):
print(f'{abbrev} has the city {city}')
print('-' *10)
for state, abbrev in list(states.items()):
print(f'{state} state is abbreviated {abbrev}')
print(f"and has city {cities}")
print('-' * 10)
state = state.get('Texas')
if not state:
print("Sorry, no Texas.")
city = cities.get('TX','Does Not Exist')
print(f'The city for the state "TX" is:{city}')
我想问下 我哪里出错了出什么错了 本帖最后由 冰河星云 于 2020-10-25 15:49 编辑
拼写错误吧
而且字符串里没有get这个方法
改成
states = {
'Oregon':'OR',
'Florida':'FL',
'California':'CA',
'New York': 'NY',
'Michigan':'MI'
}
cities = {
"CA":'San Francisco',
'MI':'Detroit',
'FL':'jacksonville'
}
cities['NY'] = 'New York'
cities['OR'] = 'Portland'
print('-' * 10 )
print('NY Steat has:',cities['NY'])
print('OR Steat has:',cities['OR'])
print('-' * 10)
print("Michigan's abbreviation is:",states['Michigan'])
print("Florida's abbreviation is:",states['Florida'])
print('-' * 10)
print("Michigan has:",cities])
print("Florida has:",cities])
print('-' * 10)
for state, abbrev in list(states.items()):
print(f"{abbrev} has the city {abbrev}")
print('-' * 10)
for abbrev,city in list(cities.items()):
print(f'{abbrev} has the city {city}')
print('-' *10)
for state, abbrev in list(states.items()):
print(f'{state} state is abbreviated {abbrev}')
print(f"and has city {cities}")
print('-' * 10)
if 'Texas' not in state:
print("Sorry, no Texas.")
city = cities.get('TX','Does Not Exist')
print(f'The city for the state "TX" is:{city}') 楼上的代码有行号，参照楼上的代码说（以后发帖子最好使用高级模式里的代码编辑器，<>这个符号，代码发出来有行号，好说明）
首选，第32、33行，使用字典 states 的 value 作为字典 cities 的键取值，但大小写不对应，改成对应的
这点楼上说过了，第03行Fl 改成FL，第 04行Ca 改成CA
其次第60行， 第 47行 for state, abbrev in list(states.items()) 解包后 state为字符串类型
字符串是没有 .get() 这个方法的，你可以将 第53 到第 56行改成：
if 'Texas' not in state:
print("Sorry, no Texas.")
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