code: def print_help():
      print("Usage: studio runs [command] arguments")
      print("\ncommand can be one of the following:")
      print("")
      print("\tlist [username] - display experiments")
      print("\tstop [experiment] - stop running experiment")
      print("\tkill [experiment] - stop and delete experiment")
      print("")
  
file_path: studio/studio/cli.py
imports: import argparse
  import sys
  import time
  from terminaltables import AsciiTable
  from studio import model
  from studio.util import logs
label_desc: Use image node_id 1 for calling a global function with example usage: print_help() without return types