validating code
某信息系统根据动态的8位字符串(包含2个英文字母、4个数字和2个特殊符号)生成验证码。对应的Python程序段如下: #获取动态的8位字符串s,过程略 num = 0 p = "" for i in s: if "0" <= i <= "9": num = num + int(i) elif "a" <= i <= "z":...
某信息系统根据动态的8位字符串(包含2个英文字母、4个数字和2个特殊符号)生成验证码。对应的Python程序段如下: #获取动态的8位字符串s,过程略num = 0p = ""for i in s:if "0" <= i <= "9":num = num + int(i)elif "a" <= i <= "z":...
1. 某信息系统根据动态的8位字符串(包含2个英文字母、4个数字和2个特殊符号)生成验证码。对应的Python程序段如下: #获取动态的8位字符串s,过程略num = 0p = ""for i in s:if "0" <= i <= "9":num = num + int(i)elif "a" <= i <= "z":p = p + chr(ord(i) - 32)...
某信息系统根据动态的8位字符串(包含2个英文字母、4个数字和2个特殊符号)生成验证码。对应的Python程序段如下: #获取动态的8位字符串s,过程略num = 0p = ""for i in s:if "0" <= i <= "9":num = num + int(i)elif "a" <= i <= "z":p...