Here is the list of problems:
https://www.hackerrank.com/challenges/finding-the-percentage/problem
https://www.hackerrank.com/challenges/python-string-split-and-join/problem
https://www.hackerrank.com/challenges/py-set-intersection-operation/problem
https://www.hackerrank.com/challenges/find-second-maximum-number-in-a-list/problem
https://www.hackerrank.com/challenges/swap-case/problem
https://www.hackerrank.com/challenges/python-arithmetic-operators/problem
https://www.hackerrank.com/challenges/python-division/problem
https://www.hackerrank.com/challenges/py-if-else/problem
https://www.hackerrank.com/challenges/nested-list/problem
https://www.hackerrank.com/challenges/python-loops/problem
https://www.hackerrank.com/challenges/write-a-function/problem