pr13 (#13)

- modify9 (7db92442e135f2081fcc2d318bbd36471e73eed6)

app.py

@@ -1,12 +1,18 @@
 import streamlit as st
 import time
 
-def form_callback():
+def submit_callback():
     st.write(st.session_state.product)
     st.write(st.session_state.gender) 
     st.write(st.session_state.profession) 
     st.write(st.session_state.hobby)
 
+def delete_callback():
+    del st.session_state.product
+    del st.session_state.gender
+    del st.session_state.profession
+    del st.session_state.hobby
+
 with st.form("my_input"):
    st.write("Input")
    # product
@@ -26,10 +32,10 @@ with st.form("my_input"):
 
    # Place a button in each column
    with col1:
-        submitted = st.form_submit_button(label='Submit', on_click=form_callback)
+        submitted = st.form_submit_button(label='Submit', on_click=submit_callback)
 
    with col2:
-        clear = st.form_submit_button("Clear") 
+        clear = st.form_submit_button(label='Clear', on_click=delete_callback)