Update app.py

app.py

@@ -146,7 +146,7 @@ with col1:
     
     # Use text input for the user to define a function, but no `value` argument
     func_input = st.text_input(
-        "Enter a function of 'x':", 
+        "", 
         key="func_input", 
         on_change=reset_state
     )