Substitua o número por string python
x = re.sub(r"\d+", "NUMB", str(x)) #Replaces digits with 'NUMB'
Troubled Tern
x = re.sub(r"\d+", "NUMB", str(x)) #Replaces digits with 'NUMB'
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)