ИБ 7 лаба

def des(a,b):
  des_message = ""
  for i in range(len(a)):
    des_message += chr(ord(a[i]) ^ ord(b[i]))
  return des_message

def res(a,b):
  res_message = ""
  for i in range(len(a)):
    res_message += chr(ord(a[i]) ^ ord(b[i]))
  return res_message

message = input("Enter message:\n")
gamma = input("Enter gamma:\n")

print("Coded message:", des(message, gamma))
print("Decoded message:", res(des(message, gamma), gamma))