validate bank code for CLABE

clabe_enums.py

from enum import Enum


class BankCode(Enum):
    BANAMEX = '002'
    BBVA_BANCOMER = '012'
    SANTANDER = '014'


def validate_bank_code(bank_code: str) -> bool:
    try:
        BankCode(bank_code)
    except ValueError:
        valid = False
    else:
        valid = True
    return valid