added summary function

app.py

@@ -1,7 +1,10 @@
 import gradio as gr
+from transformers import pipeline
 
-def greet(name):
-    return "Hello " + name + "!!"
+summarizer = pipeline("summarization", model="facebook/bart-large-cnn")
+
+def greet(article, max_length=130, min_length=30, do_sample=False):
+    return summarizer(article, max_length, min_length, do_sample)
 
 iface = gr.Interface(fn=greet, inputs="text", outputs="text")
 iface.launch()