Create app.py

app.py

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+from langchain_openai import ChatOpenAI
+from langchain_core.prompts import ChatPromptTemplate
+import streamlit as st
+import os
+import openai
+
+
+
+
+openai_api_k = os.getenv("openai_key")
+
+
+llm = ChatOpenAI(temperature=0, model="gpt-3.5-turbo",openai_api_key=openai_api_k)
+
+
+prompt = ChatPromptTemplate.from_messages([
+    ("system", "You are a helpful assistant that translates {il} to {ol}."),
+    ("human", "{input}")
+])
+
+
+st.title("Language Translator")
+
+
+input_language = st.text_input("Input Language")
+output_language = st.text_input("Output Language")
+input_text = st.text_area("Input Text:", height=100)
+
+
+if st.button("Translate"):
+    if input_language and output_language and input_text:
+        chain = prompt | llm
+        response = chain.invoke({
+            "il": input_language,
+            "ol": output_language,
+            "input": input_text
+        })
+        st.text_area("Translated Text:", value=response.content, height=100)