>>> my_dict = {}
>>> bool(my_dict)
False
>>> my_dict['key'] = 1
>>> bool(my_dict)
True
>>> bool(my_dict)
False
>>> my_dict['key'] = 1
>>> bool(my_dict)
True
>>> my_dict = {}
>>> bool(my_dict) False >>> my_dict['key'] = 1 >>> bool(my_dict) True
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