code: def random_string(length=10):
      letters = string.ascii_lowercase
      return "".join(random.choice(letters) for _ in range(length))
  
file_path: labml/client/labml/internal/util/__init__.py
imports: import pathlib
  import random
  import string
  from typing import Dict, Callable
  import yaml
label_desc: Use image node_id 4 for calling a global function with example usage: random_string(length) and returns: str