save npy code example

Example 1: np.save function

np.save('data.npy', num_arr) # save
new_num_arr = np.load('data.npy') # load

Example 2: how to save and load data npy

np.save('test3.npy', a)    # .npy extension is added if not given
d = np.load('test3.npy')
a == d
# array([ True,  True,  True,  True], dtype=bool)