code: def gen_name(size=10, chars=string.ascii_uppercase + string.digits):
      return "".join(random.choice(chars) for x in range(size))
  
file_path: perspective/python/perspective/perspective/manager/manager.py
imports: import random
  import string
  from functools import partial
  from ..core.exception import PerspectiveError
  from ..table import Table
  from .manager_internal import _PerspectiveManagerInternal
  from .session import PerspectiveSession
label_desc: Use image node_id 1 for calling a global function with example usage: gen_name(size, chars) and returns: str