1.numpy.random.choice()
#均匀随机采样，采集3个数字 np.random.choice(5, 3) # array([0, 3, 4]) # This is equivalent to np.random.randint(0,5,3)
2.numpy.random.randint()
生成在[Low, high)上离散均匀分布的整数值。
如果high=None， 则取值区间变为[0,Low)
Python生成随机数
The Safest Way to Get what you Want is to Try and Deserve What you Want.