def _Move(t, p):
    coords = ["%s%f" % (x, y) for x, y in zip(("X", "Y", "Z"), p) if y != None]

    if len(coords) != 0:
        return t + " " + " ".join(coords)
    else:
        return ""

def RapidMoveTo(p):
    print _Move("G0", p)