python random number generator no duplicates

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showing results for - "python random number generator no duplicates"
Carl
25 Sep 2020
1#This will return a list of 50 numbers selected from the range 0 to 999, without duplicates.
2import random
3random.sample(range(1000), 50)
Greta
28 Jul 2017
1import random
2
3def random_sample(count, start, stop, step=1):
4    def gen_random():
5        while True:
6            yield random.randrange(start, stop, step)
7
8    def gen_n_unique(source, n):
9        seen = set()
10        seenadd = seen.add
11        for i in (i for i in source() if i not in seen and not seenadd(i)):
12            yield i
13            if len(seen) == n:
14                break
15
16    return [i for i in gen_n_unique(gen_random,
17                                    min(count, int(abs(stop - start) / abs(step))))]
18
Valeria
05 Jul 2019
1python -c "import random; print(sorted(set([random.randint(6,49) for i in range(7)]))[:6])"
2
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