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  • re 模块简单运用

    import random
    from random import randint, choice, sample
    
    # for i in range(20):
    #     test = random.randint(1, 10)#1-10之间的整数,包括1和10
    #     # test1=random.random()#0到1 之间的小数
    #     # test2=random.uniform(1,5)#从开始到结束之间的数,包括整数和小数
    #     print('我是test',test)
    #     # print('我是test2',test2)
    #
    #     # print('我是test1',test1)
    
    # def rand_int(start,stop):
    #     '''
    #
    #     :param start: 开始数字
    #     :param stop: 结束或停止数字
    #     :return: 返回值
    #     '''
    #     a=random.random()#(0-1)之间的随机数
    #     print(a)
    #     print(a*(stop-start))
    #     return round(a*(stop-start)+start)
    #
    # print(rand_int(1,10))
    
    
    #
    # def rand_str(l=4,t=0):
    #     '''
    #
    #     :param l: 指定参数与值
    #     :param t: 指定参数与值
    #     :return:
    #     '''
    #     s = ''
    #     if t == 0:      # 纯数字
    #         for i in range(l):
    #             # s = s + chr(randint(ord('0'), ord('9')))
    #             s = s + str(randint(0, 9))
    #             print(s)
    #     elif t == 1:    # 纯字母
    #         base_str = 'abcdefghijklmnopqrstuvwxyz'
    #         # s = ''.join(sample(base_str, l))#sample(base_str, l)从字符串中随机选出l个元素
    #         # y=choice(base_str)#choice(base_str)字符串中随机选择一个
    #         # print(y)
    #         # s = ''.join( y for i in range(l))#误区这里面的y与choice(base_str)并不等价,只是把值赋给了y
    #         s = ''.join( choice(base_str) for i in range(l))
    #     else:    # 数字字母混合
    #         pass
    #     return s
    #
    #
    # print(rand_str(4,0))#指定的参数只可以改变,也可以把指定参数l,t去除
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  • 原文地址:https://www.cnblogs.com/liangliangzz/p/10222570.html
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