code: def visit_BinOp(self, node: ast.BinOp) -> str:
      # Special case ``**`` to not have surrounding spaces.
      if isinstance(node.op, ast.Pow):
          return "".join(
              map(self.visit, (node.left, node.op, node.right))
          )
      return " ".join(map(self.visit, (node.left, node.op, node.right)))
  
imports: from __future__ import annotations
  import ast
  from typing import NoReturn, overload
label_desc: Use image node_id 7 for calling the _UnparseVisitor obj's underlying member method code with example usage: obj.visit_BinOp(node) and returns: str, str