code: def crtbp(self):
      # create the population
      self.X = np.random.uniform(
          low=self.lb, high=self.ub, size=(self.size_pop, self.n_dim)
      )
      return self.X
  
file_path: scikit-opt/sko/DE.py
imports: import numpy
  from .base import SkoBase
  from abc import ABCMeta, abstractmethod
  from .operators import crossover, mutation, ranking, selection
  from .GA import GeneticAlgorithmBase, GA
label_desc: Use image node_id 2 for calling the DE obj's underlying member method code with example usage: obj.crtbp() and returns: self