* Fix solution on problem 88 with js, fixs #62

* Fix solution on problem 88, fixs #62

* Python solution for problem 90

* Add python solution for problem 92

* Add python solution for problem 94

* Add python code for problem 98

* add python code for problem 102

* add python code for problem 113

* Add python solution for problem 130

* Add python code for problem 131

* Add some comments for python code of problem 131