typo fix

Author: 22anirudhk

_modules/week-02.md

@@ -3,7 +3,7 @@ title: Week 2
 ---
 
 Discussion 1
-: [PDF](https://drive.google.com/file/d/1mOLnCkkKanK7mT-2IKNcHxGh894fVGEB/view?usp=drive_link){:target="\_blank"} [Solutions](https://drive.google.com/file/d/1KIwjMhxblX0LiVvshwIkrBa2IqfXF_XT/view?usp=drive_link){:target="\_blank"} [Walkthrough](https://www.youtube.com/watch?v=dTdHuJEHOsM&list=PL-ysCubq-Sa8_GGY5otoIkzjneKo-qfW3){:target="\_blank"}
+: [PDF](https://drive.google.com/file/d/13TjzfhCv8lbf8pxoQjOx4RoEY0oS5-9b/view?usp=sharing){:target="\_blank"} [Solutions](https://drive.google.com/file/d/1rvdrRJ6YBEDrIhxeulEjq80H1iI2qwVR/view?usp=sharing){:target="\_blank"} [Walkthrough](https://www.youtube.com/watch?v=dTdHuJEHOsM&list=PL-ysCubq-Sa8_GGY5otoIkzjneKo-qfW3){:target="\_blank"}
 
 Tue Jan 27
 : **Lecture 3**{: .label .label-lecture } Machine Learning Mechanics - Terminology and Techniques: [PDF](https://drive.google.com/file/d/1COKRZ917r0pTQUFaYA-xO-ZDfN1nuTbn/view?usp=drive_link){:target="\_blank"} [Slides](https://docs.google.com/presentation/d/1GIqx6FuVDMHQH3sZuIDkXCPOaGGE5LwJ/edit?slide=id.p1#slide=id.p1){:target="\_blank"} [Video](https://www.youtube.com/watch?v=oVo_RajZ3aE&list=PLuHtd0SzXhx4B8oOmp9PBEroMuV5n0MWE&index=1){:target="\_blank"}