1 Creating an array:\\

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

     3 

     4 Finding shape of array:\\

     5 {\ex \lstinline|    a.shape|}

     6 

     7 Reshape an array:\\

     8 {\ex \lstinline|    a.reshape(4,2)|}

     9 

    10 Creating identity matrix:\\

    11 {\ex \lstinline|    identity(3)|}

    12 

    13 Creating matrix with all zeros:\\

    14 {\ex \lstinline|    z = zeros((4,2))|}