code: def __init__(self, ndim, learning_rate, mut_prob, mut_shift, lambda_):
      self.prob_vector = [0.5] * ndim
      self.learning_rate = learning_rate
      self.mut_prob = mut_prob
      self.mut_shift = mut_shift
      self.lambda_ = lambda_
  
file_path: deap/examples/eda/pbil.py
imports: import array
  import random
  import numpy
  from deap import algorithms
  from deap import base
  from deap import creator
  from deap import tools
label_desc: Use image node_id 1 to create a new PBIL object from inherited base classes: object with example: obj = PBIL(ndim, learning_rate, mut_prob, mut_shift, lambda_)