code: def transform(node, ctx):
      node = ConditionalExpressionTransformer(ctx).visit(node)
      return node
  
file_path: DALI/dali/python/nvidia/dali/_autograph/converters/conditional_expressions.py
imports: import gast
  from nvidia.dali._autograph.core import converter
  from nvidia.dali._autograph.pyct import parser
  from nvidia.dali._autograph.pyct import templates
label_desc: Use image node_id 1 for calling a global function with example usage: transform(node, ctx) and returns: node