Update 1220-count-vowels-permutation.py

[basu1020]

provided a better and readable solution for count vowels permutation in python

• File(s) Modified: 0001-two-sum.py, 0002-add-two-numbers.py, etc...
• Language(s) Used: python, javascript, etc...
• Submission URL: https://leetcode.com/problems/[problem-name]/submissions/xxxxxxxxx/

Important

Please make sure the file name is lowercase and a duplicate file does not already exist before merging.