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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 getcoords(ddtt):
 """return the coordinates of the surface"""

    n_vertices_index = ddtt.objls.index('Number_of_Vertices')
    first_x = n_vertices_index + 1 # X of first coordinate
    pts = ddtt.obj[first_x:]
    return list(grouper(3, pts))