(bin_arr)
return '0' * (8 - len(bin_arr) % 8) + bin_arr
Compensate a binary number in string with zero till its length being a multiple of 8
    :param bin_arr: str
    :return: str
Compensate a binary number in string with zero till its length being a multiple of 8
    :param bin_arr: str
    :return: str
Compensate a binary number in string with zero till its length being a multiple of 8 : param bin_arr : str : return : str
def bin_compensate(bin_arr):
    """
    Compensate a binary number in string with zero till its length being a multiple of 8
    :param bin_arr: str
    :return: str
    """
    return '0' * (8 - len(bin_arr) % 8) + bin_arr
def bin_compensate ( bin_arr ) : return '0' * ( 8 - len ( bin_arr ) % 8 ) + bin_arr