Creating an array:\\
{\ex \lstinline|    a = array([[1,2,3,4],[5,6,7,8]])|}

Finding shape of array:\\
{\ex \lstinline|    a.shape|}

Reshape an array:\\
{\ex \lstinline|    a.reshape(4,2)|}

Creating identity matrix:\\
{\ex \lstinline|    identity(3)|}

Creating matrix with all zeros:\\
{\ex \lstinline|    z = zeros((4,2))|}
