是否用子字典中的值替换父关键字值？

parent_dict = {"key1": "value1", "key2": "value2", "key3": "value3"}
child_dict = {"key2": "new_value2", "key3": "new_value3"}

parent_dict.update(child_dict)

print(parent_dict)

{"key1": "value1", "key2": "new_value2", "key3": "new_value3"}