Update app.py

app.py

@@ -94,17 +94,18 @@ col1, col2 = st.columns([1, 2])
 with col1:
     st.subheader("🔧 Define Your Function")
     
-    # Instructional message for function input
-    st.markdown(
-        """
-        **How to input your function:**
-        - Use `x` for the variable.
-        - Example: For \(x^2\), input `x**2`.
-        - For sine function, input `np.sin(x)`.
-        - For logarithm, input `np.log(x)`.
-        - For other mathematical operations, use `np` (e.g., `np.exp(x)`).
-        """
-    )
+    # Show instructions when hovering over the function input
+    if st.session_state.func_input:
+        st.info(
+            """
+            **How to input your function:**
+            - Use `x` for the variable.
+            - Example: For \(x^2\), input `x**2`.
+            - For sine function, input `np.sin(x)`.
+            - For logarithm, input `np.log(x)`.
+            - For other mathematical operations, use `np` (e.g., `np.exp(x)`).
+            """
+        )
 
     # Use text input for the user to define a function
     func_input = st.text_input(