A) Make a Python program that

1 - read a whole square matrix of order 3

2 - return the largest element of line 2

3 -return the sum of the elements of the diagonal principal

B)Make a Python program that reads the expiration date of a product (day, month, and year) and reports the current date (current day, current month, and current year). At the end, the program must inform you if the product is expired or within the expiration date.