题解 | 字符串加解密
字符串加解密
https://www.nowcoder.com/practice/2aa32b378a024755a3f251e75cbf233a
s = input()
t = input()
def encrypt(s):
code = []
for c in s:
if c.isupper():
code.append(chr((ord(c) - ord('A') + 1) % 26 + ord('a')))
elif c.islower():
code.append(chr((ord(c) - ord('a') + 1) % 26 + ord('A')))
else:
code.append(chr((ord(c) - ord('0') + 1) % 10 + ord('0')))
return code
def decrypt(s):
code = []
for c in s:
if c.isupper():
code.append(chr((ord(c) - ord('A') - 1) % 26 + ord('a')))
elif c.islower():
code.append(chr((ord(c) - ord('a') - 1) % 26 + ord('A')))
else:
code.append(chr((ord(c) - ord('0') - 1) % 10 + ord('0')))
return code
print("".join(encrypt(s)))
print("".join(decrypt(t)))
