Update README.md

Author: simran2104

Hangman/README.md

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 <h1 align="center">Hangman</h1>
 <p>
 This is a small game made in Python using library "random". In this game user has to guess a word with a alphabets. Everytime, the user is asked for the alphabet, if the alphabet is in the word then it is added to its required position otherwise one live will be lose. Total 9 lives be provided.
+</p>
+<p align="center">
+<img src="https://github.com/simran2104/Python-Projects/blob/main/Hangman/demo.gif" >
+</p>