题解 | #首都#

# import sys
# cities_dict = {'Beijing': {'Capital': 'China'},
#                 'Moscow': {'Capital': 'Russia'},
#                 'Paris': {'Capital': 'France'}
#                 }

# for city in sorted(cities_dict.keys()):
#     print(f'{city} is the capital of {cities_dict[city]["Capital"]}!')


cities_dict = {'Beijing': {'Capital': 'China'},
                'Moscow': {'Capital': 'Russia'},
                'Paris': {'Capital': 'France'}
                }

#也可以写成
#for city in cities_dict:
for city in cities_dict.keys():
    for  k,v in cities_dict[city].items():
        print(f'{city} is the {k.lower()} of {v}!')