from functools import reduce


def _is_point_tuple(t,msize):
    """Returns: True if t is a point sequence (i.e. even sequence of numbers)
    
    The point tuple must be size greater than msize, or the function returns False.
    
    Parameter t: The value to test
    Precondition: NONE
    
    Parameter msize: The minimum size of the sequence
    Precondition: msize is an int >= 0
    """
    try:
        return len(t) % 2 == 0 and len(t) > msize and \
            reduce(lambda x, y: x and y, map(lambda z: type(z) in [int, float], t))
    except:
        return False