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public python v1 · immutablePython 2.5.1 (r251:54863, Aug 20 2007, 18:39:53)[GCC 4.1.1 20070105 (Red Hat 4.1.1-52)] on linux2Type "help", "copyright", "credits" or "license" for more information.>>> x = 3>>> y = 5>>> z = x>>> x += y>>> print "%s %s %s" % (x, y, z)8 5 3>>>