code: def all_presets():
      return [
          f[:-3]
          for f in os.listdir(os.path.join("rl_coach", "presets"))
          if f[-3:] == ".py" and not f == "__init__.py"
      ]
  
imports: import argparse
  import glob
  import os
  import shutil
  import signal
  import subprocess
  import sys
  from importlib import import_module
  from os import path
  import numpy
  import pandas
  import time
  import pytest
  from rl_coach.logger import screen
label_desc: Use image node_id 5 for calling a global function with example usage: all_presets() and returns: unknown