code: def _chr(label):
      if label < 0:
          return "...[%d]" % label
      else:
          return chr(label)
  
imports: import copy
  import itertools
  import operator
  import string
  import warnings
  import cupy
  from cupy._core import _accelerator
  from cupy import _util
  from cupy.linalg._einsum_opt import _greedy_path
  from cupy.linalg._einsum_opt import _optimal_path
  from cupy.linalg._einsum_cutn import _try_use_cutensornet
label_desc: Use image node_id 4 for calling a global function with example usage: _chr(label) and returns: unknown, chr