Python模块random

python 模块 random

In [1]: import random In [2]: random.uniform(0.7,5) Out[2]: 0.7418808135797732 In [3]: random.uniform(0.7,5) Out[3]: 1.20091265582769 In [4]: random.uniform(0.7,5) Out[4]: 4.7791965347089125 In [5]: random.uniform(0.7,5) Out[5]: 2.7882796316003295 

 In [6]: random.choice([2,3,4,5]) Out[6]: 3 In [7]: In [7]: random.choice([2,3,4,5]) Out[7]: 3 In [8]: random.choice([2,3,4,5]) Out[8]: 5 In [9]: random.choices([2,3,4,5]) --------------------------------------------------------------------------- AttributeError Traceback (most recent call last) <ipython-input-9-293bbaeb0614> in <module>() ----> 1 random.choices([2,3,4,5]) AttributeError: 'module' object has no attribute 'choices' 

python3 有choices