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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def create(*units):
 """create this unit within the game as specified"""

    ret = []
    for unit in units: # implemented using sc2simulator.ScenarioUnit
        x, y = unit.position[:2]
        pt = Point2D(x=x, y=y)
        unit.tag = 0 # forget any tag because a new unit will be created
        new = DebugCommand(create_unit=DebugCreateUnit(
            unit_type   = unit.code,
            owner       = unit.owner,
            pos         = pt,
            quantity    = 1,
        ))
        ret.append(new)
    return ret