code: def test_two_params_setter():
      new_two = two.TWO()
  
      try:
          new_two.mu_s = "a"
      except:
          new_two.mu_s = 1
  
      try:
          new_two.mu_s = -1
      except:
          new_two.mu_s = 1
  
      assert new_two.mu_s == 1
  
      try:
          new_two.mu_k = "b"
      except:
          new_two.mu_k = 1
  
      try:
          new_two.mu_k = -1
      except:
          new_two.mu_k = 1
  
      assert new_two.mu_k == 1
  
      try:
          new_two.delta_t = "c"
      except:
          new_two.delta_t = 1
  
      try:
          new_two.delta_t = -1
      except:
          new_two.delta_t = 1
  
      assert new_two.delta_t == 1
  
      try:
          new_two.alpha = "d"
      except:
          new_two.alpha = 0.9
  
      try:
          new_two.alpha = 0.89
      except:
          new_two.alpha = 0.9
  
      assert new_two.alpha == 0.9
  
      try:
          new_two.beta = "e"
      except:
          new_two.beta = 0.05
  
      try:
          new_two.beta = -1
      except:
          new_two.beta = 0.05
  
      assert new_two.beta == 0.05
  
imports: import numpy
  from opytimizer.optimizers.science import two
  from opytimizer.spaces import search
label_desc: Use image node_id 2 for calling a global function with example usage: test_two_params_setter() without return types