code: def normalize_variables(vars):
      vars = list(vars)
      for i, v in enumerate(vars):
          vars[i] = round(float(v), 1)
      return vars
  
file_path: ViZDoom/tests/manual_test_recording.py
imports: import os
  from random import random
  from time import sleep
  import vizdoom
label_desc: Use image node_id 3 for calling a global function with example usage: normalize_variables(vars) and returns: vars