code: def analyze(context, perf):
      stats = get_pretty_stats(perf)
      print(stats)
      pass
  
imports: from catalyst import run_algorithm
  from catalyst.api import order, record, symbol
  import pandas
  from catalyst.exchange.utils.stats_utils import get_pretty_stats
label_desc: Use image node_id 3 for calling a global function with example usage: analyze(context, perf) without return types