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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 _handle_func_def(self, node, scope, ctxt, stream):
 """Handle FuncDef nodes :node: TODO :scope: TODO :ctxt: TODO :stream: TODO :returns: TODO """

        self._dlog("handling function definition")
        func = self._handle_node(node.decl, scope, ctxt, stream)
        func.body = node.body