Update app.py

app.py

@@ -10,6 +10,12 @@ from llama_index import VectorStoreIndex, SimpleDirectoryReader, SummaryIndex, d
 PDFReader = download_loader("PDFReader")
 loader = PDFReader()
 
+#loading options
+# loader = SimpleDirectoryReader(input_files = ["pdf1","pdf2"])
+# documents = loader.load_data()
+# or
+# documents = loader.load_data(file=['toolkit.pdf','pdf2','pdf3'])
+
 documents = loader.load_data(file='toolkit.pdf')
 index = VectorStoreIndex.from_documents(documents)
 query_engine = index.as_query_engine()