code: def loglendetails(self, msg):
      if self.p.lendetails:
          print(msg)
  
file_path: backtrader/samples/memory-savings/memory-savings.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import argparse
  import sys
  import backtrader
  import backtrader.feeds
  import backtrader.indicators
  import backtrader.utils.flushfile
label_desc: Use image node_id 3 for calling the St obj's underlying member method code with example usage: obj.loglendetails(msg) without return types