adding column we can add column to matrix using the insert(method herewe have to mention the indexwhere we want to add the column and an array containing the new values of the columns added in the below examplewe add to new column at the fifth position from the beginning from numpy import array([['mon', , , , ],['tue', , , , ]['wed', , , , ],['thu', , , , ]['fri', , , , ],['sat', , , , ]['sun', , , , ]]m_c insert( ,[ ],[[ ],[ ],[ ],[ ],[ ],[ ],[ ]], print(m_cwhen the above code is executedit produces the following result[['mon' ' ' ' ' '['tue' ' ' ' ' '['wed' ' ' ' ' '['thu' ' ' ' ' '['fri' ' ' ' ' '['sat' ' ' ' ' '['sun' ' ' ' ' ']delete row we can delete row from matrix by using the delete(method we have to specify the index of the row and also the axis valuewhich is for row and for column from numpy import array([['mon', , , , ],['tue', , , , ]['wed', , , , ],['thu', , , , ]['fri', , , , ],['sat', , , , ]['sun', , , , ]] delete( ,[ ], print(