extending list of tones

app.py

@@ -33,8 +33,10 @@ def main():
 
     email_tone = st.sidebar.selectbox(
         label="tone",
-        options=("serious", "funny", "formal"),
-
+        options=("funny", "formal", "professional", "informal", "friendly",
+                 "humorous", "serious", "optimistic", "motivating",
+                 "respectful", "assertive", "conversational", "urgent",)
+    ),
 
     email_company_type = st.sidebar.selectbox(
         label="Company type",