code: def experimental(func):
      """
      Decorator - a function that accepts another function
      and marks it as experimental, meaning it may change in
      future releases, or its execution is not guaranteed.
  
      Example:
  
      >>>@experimental
      >>>def a_function():
      >>>    "Demonstration function"
      >>>    return "demonstration"
  
      >>>a_function()
      experimentalWarning: 'Experimental! Function: a_function is experimental.
      Use at your own risk.'
      warnings.warn(experimentalWarning(msg))
      demonstration
  
      To disable experimentalWarning set this in the module:
      >>>warnings.filterwarnings("ignore", category=experimentalWarning)
  
      """
  
      def mark_experimental():
          msg = f"Experimental! Function: {func.__name__} is experimental. Use \
                  at your own risk."
  
          warnings.warn(experimentalWarning(msg))
  
          return func()
  
      return mark_experimental
  
imports: import warnings
label_desc: Use image node_id 1 for calling a global function with example usage: experimental(func) and returns: mark_experimental, func