Update app.py

app.py

@@ -21,13 +21,21 @@ model = create_model()
 def get_user_preferences():
     st.sidebar.write("## User Preferences")
     username = st.sidebar.text_input("Username", value="Default")
+
+    if "username" not in st.session_state:
+        st.session_state.username = username
+    
+    st.session_state.age = st.sidebar.number_input("Age", min_value=0, max_value=120, value=st.session_state.get("age", 30))
+    st.session_state.gender = st.sidebar.selectbox("Gender", options=["Male", "Female", "Other"], index=["Male", "Female", "Other"].index(st.session_state.get("gender", "Male")))
+    st.session_state.hobbies = st.sidebar.multiselect("Hobbies", options=["Sports", "Reading", "Travel", "Cooking", "Gaming"], default=st.session_state.get("hobbies", []))
+    st.session_state.occupation = st.sidebar.selectbox("Occupation", options=["Student", "Employed", "Unemployed", "Retired"], index=["Student", "Employed", "Unemployed", "Retired"].index(st.session_state.get("occupation", "Student")))
     
     preferences = {
         "username": username,
-        "age": st.sidebar.number_input("Age", min_value=0, max_value=120, value=30),
-        "gender": st.sidebar.selectbox("Gender", options=["Male", "Female", "Other"]),
-        "hobbies": st.sidebar.multiselect("Hobbies", options=["Sports", "Reading", "Travel", "Cooking", "Gaming"]),
-        "occupation": st.sidebar.selectbox("Occupation", options=["Student", "Employed", "Unemployed", "Retired"])
+        "age": st.session_state.age,
+        "gender": st.session_state.gender,
+        "hobbies": st.session_state.hobbies,
+        "occupation": st.session_state.occupation
     }
     return preferences
 
@@ -62,6 +70,8 @@ def main():
         loaded_preferences = load_user_preferences(preferences["username"])
         if loaded_preferences:
             preferences.update(loaded_preferences)
+            for key, value in loaded_preferences.items():
+                st.session_state[key] = value
     
     st.write("## User Preferences")
     st.write(preferences)