Create app.py

app.py

@@ -0,0 +1,35 @@
+import stremlit as st
+from langchain_openai import ChatOpenAI
+import os
+from langchain_core.prompts import ChatPromptTemplate
+
+llm = ChatOpenAI(model='gpt-3.5-turbo', temperature=0, max_tokens=150)
+
+st.header("Translation Application")
+
+il = st.selectbox(
+    "How would you like to be contacted?",
+    ("Hindi", "English", "Bengali"))
+
+st.write("You selected:", il)
+
+ol = st.selectbox(
+    "How would you like to be contacted?",
+    ("Hindi", "English", "Bengali"))
+
+st.write("You selected:", ol)
+
+prompt = ChatPromptTemplate.from_messages(
+    [('system', 'you are a good assistant for translation to {il} to {ol}'),
+     'user', '{i}']
+)
+
+
+
+chain = prompt|llm
+
+re = chain.invoke({
+    'il':il, 'ol': ol, 'i': 'i am good'
+})
+
+re.content