code: def clamp():
      clamp_ = (np.array([2, 3, 1]), np.array([4, 7, 8]))
      return clamp_
  
file_path: pyswarms/tests/backend/conftest.py
imports: import numpy
  import pytest
  from pyswarms.backend.swarms import Swarm
label_desc: Use image node_id 3 for calling a global function with example usage: clamp() and returns: clamp_