replace multiple characters in 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: python substitute multiple letters

message = "h@ll$ w$rld"
# make the replacement ('!'->'a', '@'->'e', etc.)
message.translate(str.maketrans("!@#$%", "aeiou"))
# outputs hello world