Update src/streamlit_app.py

src/streamlit_app.py

@@ -47,14 +47,15 @@ if page == "To-Do List":
         if new_task.strip():
             data["tasks"].append({"task": new_task, "completed": False})
             save_data(data)
-            st.experimental_rerun()
+            st.experimental_rerun()  # This works in latest Streamlit versions
 
     st.subheader("Pending Tasks")
     for i, task in enumerate(data["tasks"]):
         if not task["completed"]:
             col1, col2 = st.columns([0.8, 0.2])
             with col1:
-                if st.checkbox(task["task"], key=f"task_{i}"):
+                checked = st.checkbox(task["task"], key=f"task_{i}")
+                if checked:
                     data["tasks"][i]["completed"] = True
                     save_data(data)
                     st.experimental_rerun()