code: def a_string():
      char_set = string.ascii_letters
      return "".join(random.sample(char_set * 10, 10))
  
file_path: neptune-client/tests/unit/neptune/legacy/random_utils.py
imports: import datetime
  import random
  import string
  import uuid
  import mock
  from neptune.legacy.projects import Project
label_desc: Use image node_id 1 for calling a global function with example usage: a_string() and returns: str