Numpy.Array in Python list?

Question

I\'ve got a list (used as a stack) of numpy arrays. Now I want to check if an array is already in the list. Had it been tuples for instance, I would simply have written some

Answer 1

You can convert the array into a list by using tolist() and then do the check:

my_list = [[1,1], [2,2]]

print(np.array([1,1]).tolist() in my_list)
print(np.array([1,2]).tolist() in my_list)