python小功能记录

Posted 2022-04-15 carey-he

本博客会不断完善，记录python小功能。

1. 合并两个字典

# in Python 3.5+

>>> x = ‘a‘: 1, ‘b‘: 2
>>> y = ‘b‘: 3, ‘c‘: 4

>>> z = **x, **y

>>> z
‘c‘: 4, ‘a‘: 1, ‘b‘: 3

# Python 2.x 
>>> z = dict(x, **y)
>>> z
‘a‘: 1, ‘c‘: 4, ‘b‘: 3