code: def __init__(self):
      pass
  
file_path: backtrader/samples/pyfoliotest/pyfoliotest.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import argparse
  import datetime
  import random
  import backtrader
label_desc: Use image node_id 1 to create a new St object from inherited base classes: bt with example: obj = St()