Update app.py

app.py

@@ -1,34 +1,54 @@
 import streamlit as st
 import pandas as pd
 
-### streamlit run c:/Users/karim/OneDrive/Documents/Python/webapp/app.py
+st.title("Topic Modeling to Determine Climate Anxiety Among Youth")
 
-st.title("Topic Modeling to determine climate anxiety among youth")
+st.header("Our Mission and Plan", divider='red')
+st.markdown("We're using **BERTopic** and **LDA** as baseline models.")
 
-st.header("Our mission and plan", divider='red')
+if "page" not in st.session_state:
+    st.session_state.page = "Home"
 
-st.markdown("We're using BERTopic and LDA as a baseline model")
+def navigate_to(page):
+    st.session_state.page = page
 
-page = st.selectbox('Select a page', ['modeling', 'LDA'])
+st.subheader("Select a Section:")
+col1, col2, col3, col4 = st.columns(4)
 
-import streamlit as st
+with col1:
+    if st.button("Home"):
+        navigate_to("Home")
+
+with col2:
+    if st.button("Sentiment Analysis"):
+        navigate_to("Sentiment Analysis")
+
+with col3:
+    if st.button("Topic Modelling"):
+        navigate_to("Topic Modelling")
+
+with col4:
+    if st.button("LDA"):
+        navigate_to("LDA")
+
+st.divider()
+
+if st.session_state.page == "Home":
+    st.header("Home Page")
+
+elif st.session_state.page == "Sentiment Analysis":
+    st.header("Sentiment Analysis")
+
+elif st.session_state.page == "Topic Modelling":
+    st.header("Topic Modelling")
+
+elif st.session_state.page == "LDA":
+    st.header("Latent Dirichlet Allocation (LDA)")
+
+st.divider()
+
+if st.button("Contact Info"):
+    st.session_state.page = "Contact Info"
 
-# Create a dropdown in the sidebar for selecting page categories
-category = st.sidebar.selectbox('Choose a category', ['General Info', 'Contact Info'])
-
-# Display pages based on selected category
-if category == 'General Info':
-    page = st.sidebar.selectbox('Select a page', ['1_sentiment_analysis'])
-    if page == '1_sentiment_analysis':
-        st.write('1_sentiment_analysis')
-        # Add content specific to the Home page
-
-
-elif category == 'Contact Info':
-    page = st.sidebar.selectbox('Select a page', ['2_modeling', '3_LDA'])
-    if page == '2_modeling':
-        st.write('2_modeling:')
-        # Add content specific to the Contact page
-    elif page == '3_LDA':
-        st.write('3_LDA!')
-        # Add content specific to the About page
+if st.session_state.page == "Contact Info":
+    st.header("Contact Information")