def be_to_le(value: int) -> int:
    assert isinstance(value, int)
    numbytes = len(f"0{value:x}") >> 1
    if numbytes == 1:
        return value
    rslt = 0
    for b in value.to_bytes(numbytes, byteorder="little"):
        rslt <<= 8
        rslt |= b
    return rslt

numbytes = math.ceil(value.bit_length() / 8)

def be_to_le(value: int) -> int:
    numbytes = math.ceil(value.bit_length() / 8)
    return int.from_bytes(value.to_bytes(numbytes, byteorder="little"), byteorder="big")