code: def ast_to_gast(node):
      return Ast2ToGAst().visit(node)
  
imports: from .astn import AstToGAst, GAstToAst
  import ast
  import gast
label_desc: Use image node_id 1 for calling a global function with example usage: ast_to_gast(node) and returns: Ast2ToGAst