code: def write_instancevar_slots(trials=trials, a=B(1)):
      for t in trials:
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
          a.x = 1
  
imports: from collections import deque, namedtuple
label_desc: Use image node_id 16 for calling a global function with example usage: write_instancevar_slots(trials, a) without return types