python 产生随机数,随机字符串

发布时间:2019-08-30 08:31:09编辑:auto阅读(1813)

    import random
    #随机整数:
    print random.randint(1,50)
    #随机选取0到100间的偶数:
    print random.randrange(0, 101, 2)
    #随机浮点数:
    print random.random()
    print random.uniform(1, 10)
    #随机字符:
    print random.choice('abcdefghijklmnopqrstuvwxyz!@#$%^&*()')
    #多个字符中选取特定数量的字符:
    print random.sample('zyxwvutsrqponmlkjihgfedcba',5)
    #多个字符中选取特定数量的字符组成新字符串:
    prin ''.join(random.sample(['z','y','x','w','v','u','t','s','r','q','p','o','n','m','l','k','j','i','h','g','f','e','d','c','b','a'], 5))
    #随机选取字符串:
    print random.choice(['剪刀', '石头', '布'])
    #打乱排序
    items = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]
    print random.shuffle(items)

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