Update app.py

app.py

@@ -16,7 +16,7 @@ st.set_page_config(page_title="review Analysis", page_icon=":smiley:")
 # Add image and heading
 st.image("img.png", use_column_width=True)
 
-file = st.file_uploader("", type=["csv"])
+file = st.file_uploader("Upload the reviews to get started", type=["csv"])
 
 # Define the app's functionality
 if file is not None:
@@ -25,7 +25,7 @@ if file is not None:
 
     # Write the total number of records
     st.markdown(
-        f'<div style="background-color: #4AA6DD; color: #ffffff; padding: 8px; font-size: 30px; font-family: Open-Sans; font-weight: bold; text-align: center; border-radius: 2rem"> {len(df)} reviews to analyse!</div>',
+        f'<div style="background-color: #4AA6DD; color: #ffffff; padding: 8px; font-size: 30px; font-family: Verdana; font-weight: bold; text-align: center; border-radius: 2rem"> {len(df)} reviews to analyse!</div>',
         unsafe_allow_html=True
     )
 
@@ -47,14 +47,14 @@ if file is not None:
     negative_reviews = " ".join(df[df["Sentiment"] == "NEGATIVE"]["Review"].tolist())
 
     st.markdown(
-        f'<div style="background-color: #4AA6DD; color: #ffffff; padding: 6px; font-size: 20px; font-family: Open-Sans; font-weight: bold; text-align: center; margin-bottom: 40px; border-radius: 2rem"> Causes behind Positive Reviews</div>',
+        f'<div style="background-color: #4AA6DD; color: #ffffff; padding: 6px; font-size: 20px; font-family: Verdana; font-weight: bold; text-align: center; margin-bottom: 40px; border-radius: 2rem"> Causes behind Positive Reviews</div>',
         unsafe_allow_html=True
     )
     wc = WordCloud(width=800, height=400, background_color="white", colormap="winter").generate(positive_reviews)
     st.image(wc.to_array(),use_column_width=True)
 
     st.markdown(
-        f'<div style="background-color: #4AA6DD; color: #ffffff; padding: 6px; font-size: 20px; font-family: Open-Sans; font-weight: bold; text-align: center; margin-bottom: 40px; margin-top: 60px; border-radius: 2rem"> Causes behind Negative Reviews</div>',
+        f'<div style="background-color: #4AA6DD; color: #ffffff; padding: 6px; font-size: 20px; font-family: Verdana; font-weight: bold; text-align: center; margin-bottom: 40px; margin-top: 60px; border-radius: 2rem"> Causes behind Negative Reviews</div>',
         unsafe_allow_html=True
     )
     wc = WordCloud(width=800, height=400, background_color="white", colormap="winter").generate(negative_reviews)
@@ -62,7 +62,7 @@ if file is not None:
 
     # Display the sentiment of each review as cards
     st.markdown(
-        f'<div style="background-color: #4AA6DD; color: #ffffff; padding: 6px; font-size: 20px; font-family: Open-Sans; font-weight: bold; text-align: center; margin-top: 60px; border-radius: 2rem"> What customers said about us</div>',
+        f'<div style="background-color: #4AA6DD; color: #ffffff; padding: 6px; font-size: 20px; font-family: Verdana; font-weight: bold; text-align: center; margin-top: 60px; border-radius: 2rem"> What customers said about us</div>',
         unsafe_allow_html=True
     )
 
@@ -75,7 +75,7 @@ if file is not None:
     
     # Create HTML table with no border and centered text
     table_html = (df.style
-                  .set_properties(**{'text-align': 'left','font-size': '15px','font-family': 'Open-Sans'})
+                  .set_properties(**{'text-align': 'left','font-size': '15px','font-family': 'Verdana'})
                   .set_table_styles([{'selector': 'th', 'props': [('border', '0px')]},
                                      {'selector': 'td', 'props': [('border', '0px')]}])
                   .to_html(index=False, escape=False))
@@ -84,5 +84,18 @@ if file is not None:
     st.write(table_html, unsafe_allow_html=True)
 
 
+    def convert_df(df):
+        # IMPORTANT: Cache the conversion to prevent computation on every rerun
+        return df.to_csv().encode('utf-8')
+    
+    csv = convert_df(df)
+    
+    st.download_button(
+        label="Download data as CSV",
+        data=csv,
+        file_name='Review Sentiments.csv',
+    )
+
+
 else:
     st.write("Please upload a CSV file.")