write the app.py and upload data

app.py

@@ -158,8 +158,8 @@ def display(access_key):
         
         messages = []
         for qa in qas:
-            messages.append({"role":"user", "content":qas["q"]})
-            messages.append({"role":"assistant", "content":qas["a"]})
+            messages.append({"role":"user", "content":qa["q"]})
+            messages.append({"role":"assistant", "content":qa["a"]})
         num_tokens_processed = num_tokens_from_messages(messages)
         num_tokens_total = num_tokens_processed * len(qs) / len(qas)
         dollars_tokens_processed = 0.002 * int(num_tokens_processed/1000)