code: def visit_Dict(self, node: ast.Dict) -> str:
      keys = (self.visit(k) for k in node.keys if k is not None)
      values = (self.visit(v) for v in node.values)
      items = (k + ": " + v for k, v in zip(keys, values))
      return "{" + ", ".join(items) + "}"
  
imports: from __future__ import annotations
  import ast
  from typing import NoReturn, overload
label_desc: Use image node_id 11 for calling the _UnparseVisitor obj's underlying member method code with example usage: obj.visit_Dict(node) and returns: unknown