write the app.py and upload data

app.py

@@ -9,7 +9,8 @@ import pytz
 import json
 import os
 
-openai.api_key = os.getenv('API_KEY')
+openai.api_keys = os.getenv('API_KEYs').split("\n")
+openai.api_key = openai.api_keys[0]
 
 timezone = pytz.timezone('Asia/Shanghai')
 timestamp2string = lambda timestamp: datetime.datetime.fromtimestamp(timestamp).astimezone(timezone).strftime('%Y-%m-%d %H:%M:%S')
@@ -89,6 +90,11 @@ def ask(query, max_attempt_times=3):
             )["choices"][0]["message"]["content"]
         except Exception as e:
             print(e)
+            if "You exceeded your current quota, please check your plan and billing details." in e:
+                idx = openai.api_keys.index(openai.api_key)
+                idx = (idx + 1) % len(openai.api_keys)
+                openai.api_key = openai.api_keys[idx]
+                print(f"switch api_key")
             print(f"retry in {attempt_times*10} seconds...")
             time.sleep(attempt_times*10)
     return answer
@@ -170,7 +176,7 @@ def display(access_key):
         chatbot_ret += [(f"The hours already takes / est. remains:", f"{time_takes/3600:.2f} / {time_remains/3600:.2f}")]
         chatbot_ret += [(f"The time starts / est. ends:", f"{timestamp2string(start_time)} / {timestamp2string(end_time)}")]
         chatbot_ret += [(f"The number of processed / est. total tokens:", f"{num_tokens_processed} / {num_tokens_total}")]
-        chatbot_ret += [(f"The dollars of processed / est. total tokens:", f"{dollars_tokens_processed} / {dollars_tokens_total}")]
+        chatbot_ret += [(f"The dollars of processed / est. total tokens:", f"{dollars_tokens_processed:.2f} / {dollars_tokens_total:.2f}")]
         
     return chatbot_ret