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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 get_xy(artist):
 """ Attempts to get the x,y data for individual items subitems of the artist. Returns None if this is not possible. At present, this only supports Line2D's and basic collections. """

    xy = None

    if hasattr(artist, 'get_offsets'):
        xy = artist.get_offsets().T
    elif hasattr(artist, 'get_xydata'):
        xy = artist.get_xydata().T

    return xy