KODLAR:

MAX_KEY_VALUE=26
def getType():
while True:
type = input("Encrypt or Decrypt? (e or d)")
if(type=="e" or type=="d"):
return type
else:
print("You must enter e for encrypt or d for decrypt")
def getKey():
while True:
key = int(input("Enter a key value between 1-{}".format(MAX_KEY_VALUE)))
if(key>=1 and key ord("Z"):
newLetter -= 26
elif newLetter < ord("A"):
newLetter += 26
elif letter.islower():
if newLetter > ord("z"):
newLetter -= 26
elif newLetter < ord("a"):
newLetter += 26
translated +=chr(newLetter)
else:
translated+=letter
return translated
type = getType()
key = getKey()
message = input("Enter a message: ")
print("Translated message: {}".format(getMessage(message,key,type)))