Update README.md

README.md

@@ -157,6 +157,17 @@ Link to the Playlist [here.](https://www.youtube.com/playlist?list=PLZHQObOWTQDM
 ## Implementing Random Forests | Day 34
 Check the code [here.](https://github.com/Avik-Jain/100-Days-Of-ML-Code/blob/master/Code/Day%2034%20Random_Forest.md)
 
+## Implementing Random Forests | Day 35
+Check the code [here.](https://github.com/Avik-Jain/100-Days-Of-ML-Code/blob/master/Code/Day%2034%20Random_Forest.md)
+
+## But what *is* a Neural Network? | Deep learning, chapter 1  | Day 36
+An Amazing Video on neural networks by 3Blue1Brown youtube Channel. This video give a good understanding of Neural Networks and uses Handwritten digit dataset for expaling the concept. 
+Link To the [video.](https://www.youtube.com/watch?v=aircAruvnKk&t=7s)
+
+## Gradient descent, how neural networks learn | Deep learning, chapter 2 | Day 37
+Part two of neural networks by 3Blue1Brown youtube Channel, this video explains the concepts of Gradient Descent in an interesting way. 169 Must watch and Highly Recommended.
+Check the code [here.](https://www.youtube.com/watch?v=IHZwWFHWa-w)
+
 ## K Means Clustering | Day 43
 Moved to Unsupervised Learning and studied about Clustering.
 Working on my website check it out [avikjain.me](avikjain.me)