class_docstr: Transformer that can rename symbols to a simple names.
class_docstr_tok: ["Transformer","that","can","rename","symbols","to","a","simple","names","."]
code: def visit_Global(self, node):
      node.names = self._process_list_of_strings(node.names)
      return node
  
imports: import ast
  import gast
  from tensorflow.python.autograph.pyct import anno
  from tensorflow.python.autograph.pyct import parser
  from tensorflow.python.autograph.pyct import qual_names
label_desc: Use image node_id 5 for calling the SymbolRenamer obj's underlying member method code with example usage: obj.visit_Global(node) and returns: node