题解 | #字符串加解密#
字符串加解密
https://www.nowcoder.com/practice/2aa32b378a024755a3f251e75cbf233a
按照题意嗯模拟就好，其中、
、
的转换问题可以考虑在正常转换过程中使用
来普适化解决。
def EncryptPw(originalEncryptPw):
newEncryptPw = ""
for i in range(len(originalEncryptPw)):
if originalEncryptPw[i].islower():
newEncryptPw += chr(ord("A") + ((ord(originalEncryptPw[i].upper()) - ord("A") + 1) % 26))
elif originalEncryptPw[i].isupper():
newEncryptPw += chr(ord("a") + ((ord(originalEncryptPw[i].lower()) - ord("a") + 1) % 26))
elif originalEncryptPw[i].isdigit():
newEncryptPw += chr(ord("0") + ((ord(originalEncryptPw[i]) - ord("0") + 1) % 10))
else:
newEncryptPw += originalEncryptPw[i]
return newEncryptPw
def DecryptPw(originalDecryptPw):
newDecryptPw = ""
for i in range(len(originalDecryptPw)):
if originalDecryptPw[i].islower():
newDecryptPw += chr(
ord("A") + (((ord(originalDecryptPw[i].upper()) - ord("A")) - 1 + 26) % 26))
elif originalDecryptPw[i].isupper():
newDecryptPw += chr(
ord("a") + (((ord(originalDecryptPw[i].lower()) - ord("a")) - 1 + 26) % 26))
elif originalDecryptPw[i].isdigit():
newDecryptPw += chr(ord("0") + ((ord(originalDecryptPw[i]) - ord("0") - 1 + 10) % 10))
else:
newDecryptPw += originalDecryptPw[i]
return newDecryptPw
if __name__ == "__main__":
originalEncryptPw = str(input())
originalDecryptPw = str(input())
print(EncryptPw(originalEncryptPw))
print(DecryptPw(originalDecryptPw))
