Update README.md

Author: atharvaagrawal

README.md

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-This is Python Practice repository for <br/>
-My YouTube Channel's: <br/>
-English: https://www.youtube.com/channel/UCjHFxpsJM6yXAgFMlI7styA  <br/>
-Hindi: https://www.youtube.com/channel/UC3sL6Sxn_FBbKd8AoQCscyA
+# Python Challenges 
+***
+This is Python Practice repository for Python. 
+***
+YouTube Channel's: https://www.youtube.com/playlist?list=PLq-t6b1UJBAocUVug1bvXRy1MZPpNfkm4 <br/>
+***