python calculate EXTENDED_ARG

example.py

print(split_arg(270))
# output:
# (14, 1, 0, 0)

# when used:
# EXTENDED_ARG 1
# JUMP_ABSOLUTE 14

x.py

import typing as t


def split_arg(value: int) -> t.Tuple[int, int, int, int]:
    first, value = divmod(value, 256)
    second, first = divmod(first, 256)
    last, second = divmod(second, 256)
    if last >= 256:
        raise ValueError(f"too big numbers, max is 32 bit")
    return value, first, second, last