Update README.md

Author: Aishanipach

README.md

@@ -1,2 +1,6 @@
 # Beginners-Python-Programs
-These are some of the interesting python programs that I came across and would be fun for those who are learning python.  
+These are some of the interesting python programs that I came across and would be fun for those who are learning python.
+<br>
+## Index:
+1. [Count Primes](https://github.com/Aishanipach/Beginners-Python-Programs/tree/main/Count_primes)
+2. [Three Cup Monty(extended)](https://github.com/Aishanipach/Beginners-Python-Programs/tree/main/Threecupsmonty)