CODEWITHSUNDEEP
python
user3330378
user3330378

Reputation: 43

Generate random non repeating numbers in a range except a specific number in python

Is there a method in python to generate random non repeating numbers in a range except a specific number.For example i want to generate numbers between 1 and 10 but "1" should not be generated.Any help would be appreciated.Thanks.

Upvotes: 1

Views: 554

Answers (2)

mhawke
mhawke

Reputation: 87064

Use random.sample() with a population that does not include the value(s) that you don't like.

>>> import random

>>> population = range(2,11)   # 2,3,4,5,6,7,8,9,10
>>> print random.sample(range(2,11), 5)
[6, 2, 4, 8, 9]

Or another example, if you don't want "42":

>>> population = range(1, 101)    # 1,2,...,100
>>> population.remove(42)
>>> print random.sample(population, 20)
[45, 10, 86, 7, 79, 39, 88, 80, 41, 85, 25, 96, 68, 55, 5, 74, 8, 9, 65, 18]

Upvotes: 2

g4ur4v
g4ur4v

Reputation: 3288

Suppose you want to exclude n in range of a to b

import random
random.choice([random.randint(a,n-1),random.randint(n+1,b)])

Upvotes: 0

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