Insert in a list random of 0 and 1 with a certain number of 1's

Question

How do I generate a list of length N with random 0 and 1 values , but with a given number of 1\'s put randomly in the list.

For example, I want a list of 10

Answer 1

An approach not using random.shuffle:

import random
random.sample([0]*3 + [1]*7, 10) # [1, 1, 1, 1, 0, 0, 0, 1, 1, 1]