1.py

#!/usr/bin/env python3

from collections import Counter
from random import randint

def gen_propotional(array, amount):
    weighted_array = []
    for i in array:
        weighted_array += [i] * i

    for i in range(amount):
        yield weighted_array[randint(0, len(weighted_array) - 1)]


def main():
    array = [1, 2, 6]
    s = float(sum(array))
    probs = [v/s for v in array]

    amount = 10000000
    cnt = Counter()

    for i in gen_propotional(array, amount):
        cnt[i] += 1

    print("Value\tGT:Generated")
    for i, v in enumerate(array):
        print("{}\t\t{:8.7f}:{:8.7f}".format(v, probs[i], cnt[v] / float(amount)))


if __name__ == "__main__":
    main()

2.py

#!/usr/bin/env python3

from collections import Counter
from random import randint

def gen_propotional(array, amount):
    min_element = min(array)

    weighted_array = []
    for i in array:
        how_many = i / min_element
        weighted_array += [i] * how_many

    for i in range(amount):
        yield weighted_array[randint(0, len(weighted_array) - 1)]


def main():
    array = [1, 2, 600]
    s = float(sum(array))
    probs = [v/s for v in array]

    amount = 1000000
    cnt = Counter()

    for i in gen_propotional(array, amount):
        cnt[i] += 1

    print("Value\tGT:Generated")
    for i, v in enumerate(array):
        print("{}\t\t{:8.7f}:{:8.7f}".format(v, probs[i], cnt[v] / float(amount)))


if __name__ == "__main__":
    main()