题解 | #密码验证合格程序#
密码验证合格程序
https://www.nowcoder.com/practice/184edec193864f0985ad2684fbc86841
import sys
# 读取全部input，并且根据换行符切割新password
passwords = sys.stdin.read().strip().splitlines()
def length_check(password):
# 检查密码长度是否在规定长度内
return "OK" if 8 < len(password) < 100 else "NG"
def variety_check(password):
# 检查是否存在4种中至少3种特殊符号
# 大小写，数字，特殊字符（不包含空格）
has_upper = any(char.isupper() for char in password)
has_lower = any(char.islower() for char in password)
has_digit = any(char.isdigit() for char in password)
has_special = any(not char.isalnum() for char in password)
# 统计一共多少种不同的字符存在
total_types = sum([has_upper, has_lower, has_digit, has_special])
return "OK" if total_types >= 3 else "NG"
def duplicate_check(password):
# 检查是否存在超过3个的重复字母
for i in range(len(password) - 2):
if password[i:i + 3] in password[i + 1:]:
return "NG" # If a duplicate substring is found
return "OK"
# 检查每个密码并且打印最终结果
for password in passwords:
if (
length_check(password) == "OK" and
variety_check(password) == "OK" and
duplicate_check(password) == "OK"
):
print("OK")
else:
print("NG")
