I need help with this MATLAB code

Problem 4: (20 Points) Create a function called OneandZero. This function should prompt the user to input an integer called N. OneandZero should output an N _by_N matrix made up of alternating ones and zeros. The first element of the output matrix should always be 1 Example: If N 5, output is [1 0 101,01010,10100 1010,10101]