code: def next(self):
      _, isowk, isowkday = self.datetime.date().isocalendar()
      txt = "{}, {}, Week {}, Day {}, O {}, H {}, L {}, C {}".format(
          len(self),
          self.datetime.datetime(),
          isowk,
          isowkday,
          self.data.open[0],
          self.data.high[0],
          self.data.low[0],
          self.data.close[0],
      )
  
      print(txt)
  
file_path: backtrader/samples/timers/scheduled-min.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import argparse
  import datetime
  import backtrader
label_desc: Use image node_id 3 for calling the St obj's underlying member method code with example usage: obj.next() without return types