Update README.md

Machine Learning and Data Science/README.md

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 | 13. | [Linear Regression from scratch](https://github.com/Kushal997-das/Project-Guidance/tree/main/Machine%20Learning%20and%20Data%20Science/Basic/Linear%20Regression%20from%20scratch) | 14. | [Medical Data Visualizer](https://github.com/Kushal997-das/Project-Guidance/tree/main/Machine%20Learning%20and%20Data%20Science/Basic/Medical%20Data%20Visualizer) | 15. | [Medical Insurance Prediction](https://github.com/Kushal997-das/Project-Guidance/tree/main/Machine%20Learning%20and%20Data%20Science/Basic/Medical%20Insurance%20Prediction) |
 | 16. | [Movie Recommendation System](https://github.com/Kushal997-das/Project-Guidance/tree/main/Machine%20Learning%20and%20Data%20Science/Basic/Movie%20Recommendation%20System) | 17. | [Page View Time Series Visualizer](https://github.com/Kushal997-das/Project-Guidance/tree/main/Machine%20Learning%20and%20Data%20Science/Basic/Page%20View%20Time%20Series%20Visualizer) | 18. | [Sea Level Predictor](https://github.com/Kushal997-das/Project-Guidance/tree/main/Machine%20Learning%20and%20Data%20Science/Basic/Sea%20Level%20Predictor) |
 | 19. | [Single Neural Network](https://github.com/Kushal997-das/Project-Guidance/tree/main/Machine%20Learning%20and%20Data%20Science/Basic/Single%20Neural%20Network) | 20. | [Titanic Survival Prediction](https://github.com/Kushal997-das/Project-Guidance/tree/main/Machine%20Learning%20and%20Data%20Science/Basic/Titanic_Survival_Prediction) | 21. | [Uber Analysis](https://github.com/Kushal997-das/Project-Guidance/tree/main/Machine%20Learning%20and%20Data%20Science/Basic/Uber%20Analysis) |
-| 22. | [Walmart Analysis](https://github.com/Kushal997-das/Project-Guidance/tree/main/Machine%20Learning%20and%20Data%20Science/Basic/Walmart%20Analysis) | 23. | [Wine Quality Prediction](https://github.com/Kushal997-das/Project-Guidance/tree/main/Machine%20Learning%20and%20Data%20Science/Basic/Wine%20Quality%20Prediction) |
-| 24. | [screen-time analysis](https://github.com/Kushal997-das/Project-Guidance/tree/main/Machine%20Learning%20and%20Data%20Science/Basic/screen-time%)
+| 22. | [Walmart Analysis](https://github.com/Kushal997-das/Project-Guidance/tree/main/Machine%20Learning%20and%20Data%20Science/Basic/Walmart%20Analysis) | 23. | [Wine Quality Prediction](https://github.com/Kushal997-das/Project-Guidance/tree/main/Machine%20Learning%20and%20Data%20Science/Basic/Wine%20Quality%20Prediction) | 24. | [screen-time analysis](https://github.com/Kushal997-das/Project-Guidance/tree/main/Machine%20Learning%20and%20Data%20Science/Basic/screen-time)
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 ## Level 2: Intermediate 🚀