code: def copy_node(node):
      return CopyVisitor().visit(node)
  
file_path: turicreate/src/python/turicreate/meta/asttools/visitors/copy_tree.py
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  from ..asttools import Visitor
  import ast
label_desc: Use image node_id 1 for calling a global function with example usage: copy_node(node) and returns: CopyVisitor