Update src/streamlit_app.py

src/streamlit_app.py

@@ -82,7 +82,7 @@ if mentor_type:
     )
 
 
-    if st.button("[Ask]") and user_input:
+    if st.button("Ask") and user_input:
         prompt = ChatPromptTemplate.from_messages([
             SystemMessagePromptTemplate.from_template(
                 f"You are a helpful and experienced {mentor_type.upper()} mentor assisting a learner with {experience} years of experience."