list to replace letters with nukber alphabet python code example

Example 1: python string replace letters with numbers

from string import ascii_letters

code = code = "1111702460830000Lu05"
code = "".join([str(ascii_letters.index(c)) if c in ascii_letters else c for c in code])
print(code)

Example 2: turn characters to alpgabetic numper python

text = input()

def encrypt(t):
    chars = list(text)
    allowed_characters = list(" abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789,.?!")

    for char in chars:
        for i in allowed_characters:
            if char == i:
                chars[chars.index(char)] = allowed_characters.index(i)
    return chars

print(encrypt(text))