python - How can I generate a pseudo-random list of 1s and -1s? -


i want generate pseudo-random list of 10 numbers seeded seed. want list has 1s , -1s , probability of each 1 0.5.

import numpy np np.random.seed(0) np.random.randint(2, size=(10,))

i don´t distribution of 1s , -1s, of 1s , 0s... , don´t know if probability of each number 1/2.

any clue?

as @jtbandes said, np.random.choice function help:

import numpy np np.random.seed(0) np.random.choice([-1,1], size=(10,))

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