code: def func(
      x, pos
  ):  # formatter function takes tick label and tick position
      if x == 0:
          return f"0"
      else:
          s = f"{x / 1000000}M"
          return s
  
file_path: singa/examples/model_selection/TRAILS-Database-Native-Model-Selection/internal/ml/model_selection/exps/nas_bench_tabular/measure_param_auc.py
imports: import numpy
  import matplotlib
  import matplotlib.pyplot
  import os
  from src.tools.io_tools import read_json
  import matplotlib.ticker
label_desc: Use image node_id 3 for calling a global function with example usage: func(x, pos) and returns: str, s