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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 register_introspection_functions(self):
 """Registers the XML-RPC introspection methods in the system namespace. see http://xmlrpc.usefulinc.com/doc/reserved.html """


        self.funcs.update({'system.listMethods' : self.system_listMethods,
                      'system.methodSignature' : self.system_methodSignature,
                      'system.methodHelp' : self.system_methodHelp})