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How to shift letters in python after the user inputs a shift number and a message?

July 27, 2022

I don’t have any code but I am really stuck on how to shift letters based off an input. e.g: the user inputs 1 so A is B and B is C etc.

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

direction = input("Type 'encode' to encrypt, type 'decode' to 
decrypt:\n")
text = input("Type your message:\n").lower()
shift = int(input("Type the shift number:\n"))

>Solution :

I am providing a basic solution for your problem, modify if to suit your needs.

alphabet = [
    "a",
    "b",
    "c",
    "d",
    "e",
    "f",
    "g",
    "h",
    "i",
    "j",
    "k",
    "l",
    "m",
    "n",
    "o",
    "p",
    "q",
    "r",
    "s",
    "t",
    "u",
    "v",
    "w",
    "x",
    "y",
    "z",
]
text = input("Type your message:\n").lower()
shift = int(input("Type the shift number:\n"))

new_text = ""
for character in text:
    new_text += chr(ord(character) + shift)

print(new_text)