字典键值连接

dict1 = {'key1': 'value1', 'key2': 'value2'}
dict2 = {'key3': 'value3', 'key4': 'value4'}

dict1.update(dict2)
print(dict1)

{'key1': 'value1', 'key2': 'value2', 'key3': 'value3', 'key4': 'value4'}

dict1 = {'key1': 'value1', 'key2': 'value2'}
dict2 = {'key3': 'value3', 'key4': 'value4'}

dict3 = {**dict1, **dict2}
print(dict3)

{'key1': 'value1', 'key2': 'value2', 'key3': 'value3', 'key4': 'value4'}