memoryc = open("cipher.txt", "a")
memoryd = open("decipher.txt", "a")
#-------------------------------------------------------------------------------
choice = input("cipher, decipher or memory")
#-------------------------------------------------------------------------------
if choice == "cipher":
message = input("What is your message?")
key = int(input("What is your key?"))
coded_message = ""
for ch in message:
code_val = ord(ch) + key
if ch.isalpha():
if code_val > ord('z'):
code_val -= ord('z') - ord('a')
coded_message = coded_message + chr(code_val)
else:
coded_message = coded_message + ch
memoryc.write(coded_message +"\n")
print(coded_message)
quit = input("Do you want to quit")
#-------------------------------------------------------------------------------
if choice == "decipher":
message = input("What is your message?")
key = int(input("What is your key?"))
coded_message = ""
for ch in message:
code_val = ord(ch) - key
if ch.isalpha():
if code_val > ord('z'):
code_val -= ord('z') + ord('a')
coded_message = coded_message + chr(code_val)
else:
coded_message = coded_message + ch
memoryd.write(coded_message +"\n")
print(coded_message)
quit = input("Do you want to quit")
#-------------------------------------------------------------------------------
if choice == "memory":
cd = input("cipher or decipher memory?")
if cd == "cipher":
memoryc = open("cipher.txt", "r")
ciphermemory = memoryc.read()
print(ciphermemory)
if cd == "decipher":
memoryd = open("decipher.txt", "r")
deciphermemory = memoryd.read()
print(deciphermemory)
#-------------------------------------------------------------------------------
memoryc.close()
memoryd.close()
when using the decipher part of my program it doesn't work correctly with all letters. Any help appretiated.
