Python - Random+Numpy.random

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* Addition：random.uniform(1,10)  =>  在[1,10]之间产生一个随机的浮点数

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Examples： 

import numpy as np


def get_rand_num():
    # 返回正态分布0~1取值，n个参数表示n个维度
    a = np.random.rand(3, 3, 3)    
    print(type(a))
    print(a)

    # 仅仅具有一个参数，表示要产生[0,1)之间浮点数的个数   
    b = np.random.ranf(3)    
    print(type(b))
    print(b)

    # low+high+count（三个参数）
    c = np.random.randint(1, 10, 20)    
    print(type(c))
    print(c)


if __name__ == "__main__":
    get_rand_num()