# numpy.random.choice()
## 概述：
可以从一个int数字或1维array里随机选取内容，并将选取结果放入n维array中返回。
## 说明：
```
numpy.random.choice(a, size=None, replace=True, p=None)
a : 1-D array-like or int
If an ndarray, a random sample is generated from its elements.
If an int, the random sample is generated as
