Python: Find Average of List or List of Lists • datagy

SOLVED: Using python1. Write a Python program to get a list, sorted in increasing order by the last element in each tuplefrom a given list of non-empty tuples.Sample List : [(2, 5), (1, 2), (4, 4), (2, 3), (2, 1)] Expected Result : [(2, 1), (1, 2), (2, 3), (4, 4), (2, 5)]2. Write a Python program to check a list is empty or not.3. Write a Python program access the index of a list.