题解 | #首都#

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

for city,country in sorted(cities_dict.items()):
    print(f"{city} is the capital of {country['Capital']}!")#Python 字典(Dictionary) items() 函数以列表返回可遍历的(键, 值) 元组数组。