Update app.py

app.py

@@ -3,6 +3,13 @@ import langcodes
 
 # https://huggingface.co/blog/streamlit-spaces
 langtext = st.text_input("language code", "en")
+
+if langcodes.tag_is_valid():
+  st.write(f"{langtext} is already a valid BCP-47 language tag")
+else:
+  st.write(f"{langtext} is not already a valid BCP-47 language tag")
+    
+
 try:
   lang = langcodes.Language.get(langtext)
 except LanguageTagError as e: 
@@ -13,10 +20,8 @@ except LanguageTagError as e:
 
 
 if lang:
-  st.write(f"'{langtext}' is a valid BCP-47 language code")  
-  
+  st.write(f"'{lang}' is a valid BCP-47 language code")    
 else:
-  st.write(f"'{langtext}' is not a valid BCP-47 language code")  
   try:
     found = langcodes.find(langtext)
     lang = found