def get_xy_array(x_segment, y_segment):
    """
    input: x_segment, y_segment
    output: xy_segment, ( format: [(x[0], y[0]), (x[1], y[1])]
    """
    xy_array = []
    for num, x in enumerate(x_segment):
        xy_array.append((x, y_segment[num]))
    return xy_array
