Add title and introduction text

app.py

@@ -1,10 +1,15 @@
 import streamlit as st
 from transformers import MBartForConditionalGeneration, MBart50TokenizerFast
 
-model = MBartForConditionalGeneration.from_pretrained("facebook/mbart-large-50-one-to-many-mmt")
-tokenizer = MBart50TokenizerFast.from_pretrained("facebook/mbart-large-50-one-to-many-mmt", src_lang="en_XX")
-
-import streamlit as st
+model_name = "facebook/mbart-large-50-one-to-many-mmt"
+model = MBartForConditionalGeneration.from_pretrained(model_name)
+tokenizer = MBart50TokenizerFast.from_pretrained(model_name, src_lang="en_XX")
+
+st.title("Tradutor de Inglês")
+st.write(
+    f"Faça a tradução do seu texto em inglês para "
+    f"{len(tokenizer.lang_code_to_id.keys())}!"
+)
 
 language = st.selectbox(
    "Lingua de saída: ",