import randomdef generate_code(code_len=4):"""生成指定长度验证码:param code_len: 验证码的长度(默认4个字符):return: 由大小写英文字母以及数字构成的随机验证码"""all_chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'last_pos = len(all_chars) - 1code = ''for _ in range(code_len):index = random.randint(0, last_pos)code += all_chars[index]return coderandom_code = generate_code()print(random_code)
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