题解 | 首都
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https://www.nowcoder.com/practice/03a5031ed7ad4a7db897fd9ed982ea57
import sys cities_dict = {'Beijing':{'Capital':'China'},'Moscow':{'Capital':'Russia'},'Paris':{'Capital':'France'}} for i in sorted(cities_dict): print(f'{i} is the capital of ' + cities_dict[i]['Capital']+'!')