code: def test_hho_exploration_phase():
      new_hho = hho.HHO()
  
      search_space = search.SearchSpace(
          n_agents=10,
          n_variables=2,
          lower_bound=[0, 0],
          upper_bound=[10, 10],
      )
  
      new_hho._exploration_phase(
          search_space.agents,
          search_space.agents[0],
          search_space.best_agent,
      )
  
imports: import numpy
  from opytimizer.optimizers.population import hho
  from opytimizer.spaces import search
label_desc: Use image node_id 2 for calling a global function with example usage: test_hho_exploration_phase() without return types