python

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