import time
class my_dict(dict):
key_set_time = []
def __setitem__(self, *args, **kwargs): # real signature unknown
""" Set self[key] to value. """
super(my_dict, self).__setitem__(args[0], args[1]);
if args[0] not in self.key_set_time:
self.key_set_time.append((len(self.key_set_time)+1, args[0]))
pass
if __name__ == '__main__':
dict_value = my_dict()
dict_value['aa'] = 1
print('dict_value:', dict_value)
print(dict_value.key_set_time)