def visit(self, node):
        '''
        Find node's line and column span.
        '''
        if hasattr(node, 'lineno'):
            self.begin_line = min(self.begin_line, node.lineno)
            self.end_line = max(self.end_line, node.lineno)
            self.node_count += 1
            self.generic_visit(node)

        Find node's line and column span.
        
recipes/Python/578206_Pythcode_clone_detector_Dont_Repeat/recipe-578206.py