code: def _composition_2(backend_fw):
      with BackendHandler.update_backend(backend_fw) as ivy_backend:
          return ivy_backend.ceil() or ivy_backend.floor()
  
imports: import io
  import multiprocessing
  import os
  import re
  import shutil
  import sys
  import warnings
  import numpy
  import psutil
  import subprocess
  from hypothesis import strategies, assume
  import ivy
  import ivy_tests.test_ivy.helpers
  import ivy_tests.test_ivy.helpers.globals
  from ivy_tests.test_ivy.helpers import handle_test, BackendHandler
label_desc: Use image node_id 3 for calling a global function with example usage: _composition_2(backend_fw) and returns: unknown