mirror of
https://github.com/TheAlgorithms/Python.git
synced 2024-12-25 12:40:14 +00:00
26 lines
506 B
Python
26 lines
506 B
Python
from __future__ import print_function
|
|
def dencrypt(s, n):
|
|
out = ''
|
|
for c in s:
|
|
if c >= 'A' and c <= 'Z':
|
|
out += chr(ord('A') + (ord(c) - ord('A') + n) % 26)
|
|
elif c >= 'a' and c <= 'z':
|
|
out += chr(ord('a') + (ord(c) - ord('a') + n) % 26)
|
|
else:
|
|
out += c
|
|
return out
|
|
|
|
|
|
def main():
|
|
s0 = 'HELLO'
|
|
|
|
s1 = dencrypt(s0, 13)
|
|
print(s1) # URYYB
|
|
|
|
s2 = dencrypt(s1, 13)
|
|
print(s2) # HELLO
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|