Added references of Python solution for HackerRank Python Strings problem 'StringSplitandJoin' to readme file.
Added references of Python solution for HackerRank Python Strings problem 'StringSplitandJoin' to readme file.

shivkrthakur/HackerRankSolutions,shivkrthakur/HackerRankSolutions,shivkrthakur/HackerRankSolutions,shivkrthakur/HackerRankSolutions