Update app.py

app.py

@@ -1,5 +1,8 @@
 import streamlit as st
-sLen = st.slider('sepal lenght(cm)', 0.0, 10.0)
-sWid = st.slider('sepal width(cm)', 0.0, 10.0)
-pLen = st.slider('petal lenght(cm)', 0.0, 10.0)
-pWid = st.slider('petal width(cm)', 0.0, 10.0)
+
+with st.form(key='my_form');
+  sLen = st.slider('sepal lenght(cm)', 0.0, 10.0)
+  sWid = st.slider('sepal width(cm)', 0.0, 10.0)
+  pLen = st.slider('petal lenght(cm)', 0.0, 10.0)
+  pWid = st.slider('petal width(cm)', 0.0, 10.0)
+  st.form_submit_button('Predict')