pythonÁ½¸ödictÏà¼Ó
>>> a = {'1':'2'}
>>> b = {'3':'4'}
>>> a+b
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: unsupported operand type(s) for +: 'dict' and 'dict'
>>> a.update(b)
>>> a
{'1': '2', '3': '4'}
>>>
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