Update README.md

README.md

@@ -7,5 +7,5 @@ This repository includes the codes for the following topics:
 Each directory contains these files:
 
 * ```$ Problem_Statement.jpg``` #the problem statement.
-* ```$ Solution.py``` #contains the solution code.
+* ```$ Solution``` #contains the solution code.
 * ```$ Report.pdf``` #contains the detailed analysis of the problem and it's solution explaination.