Question $2$: Machine Learning Algorithms and Techniques $(20$ Marks$)$

Compose an essay that explores various Machine Learning algorithms and techniques. Your essay should:

$$ Describe at least five different Machine Learning algorithms $($e$.$g$.,$ Linear Regression, Decision Trees, Support Vector Machines, k$-$Nearest Neighbors, K$-$Means Clustering$).$

$$ Compare and contrast the Decision Trees and Random Forests, discussing their performance, strengths, and limitations$.$

$$ Explain the concepts of overfitting and underfitting, and provide strategies to mitigate these issues.