code: def str2bool(v):
      if isinstance(v, bool):
          return v
      if v.lower() in ("yes", "true", "t", "y", "1"):
          return True
      elif v.lower() in ("no", "false", "f", "n", "0"):
          return False
      else:
          raise argparse.ArgumentTypeError("Boolean value expected.")
  
imports: import os
  import argparse
  import numpy
  import matplotlib
  import matplotlib.pyplot
  from sklearn.metrics import roc_curve, auc
  from tqdm import tqdm
  from skimage import measure, morphology
  from skimage.segmentation import mark_boundaries
  import paddle
label_desc: Use image node_id 1 for calling a global function with example usage: str2bool(v) and returns: v, True, False