Update app.py

app.py

@@ -51,11 +51,7 @@ st.markdown(generate_ml_blog())
 st.sidebar.header("Contents")
 st.sidebar.markdown("""
 - [Introduction](#Introduction-to-Machine-Learning-ML)
-- [Types of Machine Learning](#Types-of-Machine-Learning)
-- [Popular ML Algorithms](#Popular-Machine-Learning-Algorithms)
-- [Applications](#Applications-of-Machine-Learning)
-- [Conclusion](#Conclusion)
-""")
+- [Types of Machine Learning](#Types-of-Machine-Learning)""")
 # Nested sidebar for "Types of Machine Learning"
 with st.sidebar.expander("Types of Machine Learning"):
     st.markdown("""
@@ -63,3 +59,9 @@ with st.sidebar.expander("Types of Machine Learning"):
     - [Unsupervised Learning](#Unsupervised-Learning)
     - [Reinforcement Learning](#Reinforcement-Learning)
     """)
+st.sidebar.markdown("""    
+- [Popular ML Algorithms](#Popular-Machine-Learning-Algorithms)
+- [Applications](#Applications-of-Machine-Learning)
+- [Conclusion](#Conclusion)
+""")
+