def pointCheck(point, interval):
    """ Returns True if point is within interval

    Arguments:
    point = integer
    interval = chromosome/assemby, start, stop with start and stop being integers
    """
    assert isinstance(point, int)
    assert isinstance(interval[1], int)
    assert isinstance(interval[2], int)
    if interval[1] <= point <= interval[2]:
        return True
    return False