dumb_encode_scheme.py

import ast
import random
import string

Ascii = ['q','w','r','t','y','p','s','d','f','g','h','j','k','l','z','x','c','v','b','n','m','a','e','i','o','u']
AppIsRunning = True

encodeSTR = """
type ascii for standard english alphabet code, type a list \n
(separated by commas like this: a,b,c,d,e,f,g e.t.c.) for a key containing custom characters \n:"""

print("standard re-map code generator. randomly re-maps characters and encodes sequences with a key.\n")

while AppIsRunning:

    inp = input("\n options: decode, keygen, encode, exit.\n:").lower()
    if inp == "keygen":

        encode = input(encodeSTR).lower()
        keydict = {}
        if encode == "ascii":
            for char in Ascii:
                worked = False
                while not worked:
                    testchar = string.printable[random.randint(0,94)]
                    if (testchar == " "):
                        continue
                    if testchar in keydict.values():
                        continue
                    keydict[char] = testchar
                    worked = True
                
            print(f'copy every character after the semicolon to a notepad for decoding:\n{keydict}')

    if inp == "decode":

        key = input("Input the key you were given to decode with\n:")
        key = ast.literal_eval(key)
        key = {v: k for k, v in key.items()}
        code = input("the string you need to decode\n:")
        output = ""
        for char in code:
            if char in key:
                output += key[char]
            else:
                output += char
        print(output)

    if inp == "encode":

        key = input("Input the key you were given to encode with\n:")
        key = ast.literal_eval(key)
        toencode = input("input the string you want to encode\n:")
        output = ""
        for char in toencode:
            if char in key:
                output += key[char]
            else:
                output += char
        print(f'encoded:{output}')

    if inp == "exit":
        AppIsRunning = False