initializing empty numpy array code example

Example 1: numpy create empty array

>>> np.empty([2, 2])
array([[ -9.74499359e+001,   6.69583040e-309],
       [  2.13182611e-314,   3.06959433e-309]])         #uninitialized

Example 2: initialize np array

an_array = np.empty((2, 2))