code: def convert_to_snake_case(pascal_case):
      """Convert string in PascalCase to snake_case
  
      Args:
          pascal_case (str): string to convert
  
      Returns:
          str: converted string
      """
      return re.sub(r"(?<!^)(?=[A-Z])", "_", pascal_case).lower()
  
label_desc: Use image node_id 1 for calling a global function with example usage: convert_to_snake_case(pascal_case) and returns: re