from random import randint
# We're going to make a bag of 3,000,000 red marbles and 1,000,000 blue marbles.
# 0 means red, 1 means blues
bag_of_marbles = 3_000_000*[0]+1_000_000*[1]
number_of_blue = sum(bag_of_marbles)
total_marbles = len(bag_of_marbles)
number_of_red = total_marbles - number_of_blue
print(f"The number of blue marbles in our population is: {number_of_blue}")
print(f"The number of red marbles in our population is: {number_of_red}")