added api_calling function

app.py

@@ -40,12 +40,18 @@ reflections reveal a change or growth in thinking.
 
 # Function Definitions
 
-# 1. CustomChatGPT:
-# This function takes a user's message as input, preprocesses the message,
-# interacts with the OpenAI GPT-3 model, and returns the model's response.
-# It manages the conversational context/history and ensures that the
-# conversation flows naturally.
-
+def api_calling(prompt):
+    completions = openai.Completion.create(
+        engine="text-davinci-003",
+        prompt=prompt,
+        max_tokens=1024,
+        n=1,
+        stop=None,
+        temperature=0.5,
+    )
+    message = completions.choices[0].text
+    return message
+    
 
 def message_and_history(input, history):
     history = history or []