1.   def tournament(self, pop, evaluated_pop, tournament_size, min_func=False, max_func=False):
2.  
3.         copy_evaluated_pop = evaluated_pop[:]
4.  
5.         tour = []
6.         division = []
7.         i = 0
8.  
9.         while (i < tournament_size and len(copy_evaluated_pop) > tournament_size):
10.             select_index = np.random.randint(len(copy_evaluated_pop) - 1)
11.             division.append(copy_evaluated_pop[select_index])
12.             copy_evaluated_pop = np.delete(copy_evaluated_pop, select_index)
13.             i = i + 1
14.             if (i == tournament_size or len(copy_evaluated_pop) == tournament_size):
15.                 tour.append(division)
16.                 i = 0
17.                 division = []
18.  
19.         if (len(copy_evaluated_pop) <= tournament_size):
20.             tour.append(copy_evaluated_pop)
21.  
22.         new_pop = []
23.  
24.         # selection the best from every tour
25.         best_individuals = []
26.         best_value_in_division = 0
27.         for el in tour:
28.             if max_func:
29.                 best_value_in_division = max(el)
30.                 new_pop.append(pop[np.argmax(el)])
31.             if min_func:
32.                 best_value_in_division = min(el)
33.                 new_pop.append(pop[np.argmin(el)])
34.  
35.             best_individuals.append(best_value_in_division)
36.  
37.         return new_pop