code: def choose_time_of_day(self, times_of_day):
      return random.choice(times_of_day)
  
imports: import vowpalwabbit
  from distributionally_robust_data import OnlineCressieRead
  import collections
  import os
  import random
  import os
label_desc: Use image node_id 7 for calling the Simulator obj's underlying member method code with example usage: obj.choose_time_of_day(times_of_day) and returns: random