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def copy_skin(selection):
    skincluster = [x for x in mc.findDeformers(selection[0]) if mc.objectType(x) == "skinCluster"]
    inf = mc.skinCluster(skincluster, q=1, inf=1)
    
    for i in selection[1:]:
        mc.skinCluster(i, inf, tsb=1)
        mc.copySkinWeights(selection[0], i, noMirror=1, surfaceAssociation="closestPoint", influenceAssociation="oneToOne")

  
selection = mc.ls(sl=True)
copy_skin(selection)