def non_zero_row ( arr ) : if len ( arr ) == 0 : return False for item in arr : if item == 0 : return False return True
python how to check if array row is 0
0 . Empty row returns False .
def non_zero_row(arr):
    """
        0.  Empty row returns False.

            >>> arr = array([])
            >>> non_zero_row(arr)

            False

        1.  Row with a zero returns False.

            >>> arr = array([1, 4, 3, 0, 5, -1, -2])
            >>> non_zero_row(arr)

            False
        2.  Row with no zeros returns True.

            >>> arr = array([-1, -0.1, 0.001, 2])
            >>> non_zero_row(arr)

            True

        :param arr: array
        :type arr: numpy array
        :return empty: If row is completely free of zeros
        :rtype empty: bool
    """

    if len(arr) == 0:
        return False

    for item in arr:
        if item == 0:
            return False

    return True