Update app.py

app.py

@@ -13,14 +13,19 @@ def sentiment_analysis(inp):
     return res
 
 def main():
-    user_input = st.text_input("Enter text here:")
+    st.header("Check the sentiment of your text")
+    my_string = 'Hello, it was fun making this streamlit application.'
+    user_input = st.text_input("Enter text here:", value=my_string)
     st.write("You entered:", user_input)
     res = sentiment_analysis(user_input)
     print(res)
+    with st.form("my_form"):
+        submit_button = st.form_submit_button(label='Submit')
     sentiment = res[0]['label']
     conf = res[0]['score']
-    st.write("Sentiment of the input: ", sentiment)
-    st.write("Confidence of the predicted sentiment: ", conf)
+    if submit_button:
+        st.write("Sentiment of the input: ", sentiment)
+        st.write("Confidence of the predicted sentiment: ", conf)
 
 if __name__ == '__main__':
     main()