Python _ast 模块，FloorDiv() 实例源码

def visit_BinOp(self, node):
        if isinstance(node.op, _ast.Pow):
            return "pow(" + self.visit(node.left) + ", " + self.visit(node.right) + ")"
        output = "(" + self.visit(node.left) + self.visit(node.op) + self.visit(node.right) + ")"
        if isinstance(node.op, _ast.FloorDiv):
            output = "int" + output
        return output