Generate random array of 0 and 1 with a specific ratio

Question

I want to generate a random array of size N which only contains 0 and 1, I want my array to have some ratio between 0 and 1. For example, 90% of the array be 1 and the remainin

Answer 1

Without using numpy, you could do as follows:

import random
percent = 90

nums = percent * [1] + (100 - percent) * [0]
random.shuffle(nums)