import tracebackdef function1(): function2()def function2(): function3()def function3(): # raise exception, catch exception, reraise exception try: raise Exception, "An exception has occurred" except Exception: print "Caught exception in function3. Reraising....n" raise # reraises most recent exception# call function1, any Exception it generates will be# caught by the except clause that followstry: function1()# output exception arguments, string representation of exception,# and the tracebackexcept Exception, exception: print "Exception caught in main program." print "nException arguments:", exception.args print "nException message:", exception print "nTraceback:" traceback.print_exc()
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