python - 返回嵌套字典中具有最大值的键的名称

Question

挑战在于返回人口最多的省份的名称。我创建了一个嵌套字典

this_dict = {"Ontario": {"capital": "Toronto", "largest": "Toronto", "population": "14734014"},
             "Quebec": {"capital": "Quebec City", "largest": "Montreal", "population": "8574571"},
             "Nova Scotia": {"capital": "Halifax", "largest": "Halifax", "population": "979351"},
             "New Brunswick": {"capital": "Fredericton", "largest": "Moncton", "population": "781476"},
             "Manitoba": {"capital": "Winnipeg", "largest": "Winnipeg", "population": "1379263"},
             "British Columbia": {"capital": "Victoria", "largest": "Vancouver", "population": "5147712"},
             "Prince Edward Island": {"capital": "Charlottetown", "largest": "Charlottetown", "population": "159625"},
             "Saskatchewan": {"capital": "Regina", "largest": "Saskatoon", "population": "1178681"},
             "Alberta": {"capital": "Edmonton", "largest": "Calgary", "population": "4421876"},
             "Newfoundland and Labrador": {"capital": "St. John's", "largest": "St. John's", "population": "522103"}

             }

到目前为止，我创建了一个函数和我的代码:

 def get_largest_city():
    max_population = max([int(i['population']) for i in this_dict.values()])
    print(max_population)

这给了我最大数字的省份的数字，即 14734014但是，我想要的输出是返回省名，在本例中应该是安大略省。

如果对此有任何意见，我将不胜感激，我是 Python 的新手，有时会感到困惑，如果没有以最理想的方式解释这一点，我深表歉意，在此先感谢您的帮助。

Answer 1

>>> max(this_dict, key=lambda k: int(this_dict[k]["population"]))
'Ontario'