GA created by davidsnyder1 - https://repl.it/@davidsnyder1/GA

main.py

import numpy as np 
import random
import math

def nextGeneration(population):
  print('next generation')
  size = len(population)
  calculateFitness()
  for i in range(size):
    population[i] = pickOne(population)

def pickOne(population):
  index = 0;
  r = random(1);
  while r > 0:
    r = r - population[index].fitness;
    index+=1

  index-=1
  bird = population[index];
  child = mitosis(bird)
  return child