Write a python program to perform the below: a). Create a tuple and set with the following Marks of student: (1 Mark) 11, 22, 99, 44, 55, 66, 77, 88, 99, 77 b). Display the sum of all the marks in the tuple and set (1 Mark) c). Count how many elements has a value 99 in a tuple (1 Mark) d). Display the first occurrence of value 77 and display its position in the tuple (1 Mark) e). Display grade letter of tuple of each mark using the range below: (1 Mark) Marks Remarks 0-65 66-85 B 86-100 A