from typing import Tuple, Any, List
from itertools import starmap, chain, repeat
from random import choice
from collections import Counter
 
def sample_space(*values: Tuple[Any, float]) -> List:
    if sum(value[1] for value in values) != 1.0:
        raise ValueError('Soma das probabilidades não é 1.0')
    while True:
        if all(probability.is_integer() for _, probability in values):
            break
        values = [(value, probability * 10) for value, probability in values]
    values = [(value, int(probability)) for value, probability in values]
    return list(chain(*starmap(lambda a, b: list(repeat(a, b)), values)))
 
space = sample_space((1, 0.4), (7, 0.3), (15, 0.3))
samples = [choice(space) for _ in range(100)]
 
print(Counter(samples))

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