code: def analyze(context, prefs):
      for dataset in context.data:
          print(dataset[-2:])
  
imports: from catalyst.utils.run_algo import run_algorithm
  from catalyst.api import symbol
  from exchange.utils.stats_utils import set_print_settings
label_desc: Use image node_id 3 for calling a global function with example usage: analyze(context, prefs) without return types