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| """ | |
| tutor.py | |
| AI Tutor chat powered by Groq. Maintains conversation history per session. | |
| """ | |
| from groq import Groq | |
| GROQ_API_KEY = "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" | |
| SYSTEM_PROMPT = """You are LearnCraft Tutor — a friendly, encouraging, and highly knowledgeable AI tutor. | |
| Your role is to help students understand topics deeply, answer their questions clearly, and guide them | |
| step-by-step when they are confused. | |
| Guidelines: | |
| - Be concise but thorough. Use examples and analogies generously. | |
| - If a student seems confused, break things down into smaller steps. | |
| - Celebrate correct answers and effort warmly. | |
| - Never just give answers to homework — guide the student to figure it out. | |
| - Format responses with clear structure (use short paragraphs, numbered steps where helpful). | |
| - Keep responses under 200 words unless a complex explanation is needed. | |
| - Always end with a follow-up question or encouragement to keep the student engaged. | |
| """ | |
| def get_tutor_reply(messages: list, topic: str = "") -> str: | |
| """ | |
| Send conversation history to Groq and return the tutor's reply. | |
| messages: list of {"role": "user"/"assistant", "content": str} | |
| """ | |
| system = SYSTEM_PROMPT | |
| if topic: | |
| system += f"\n\nThe student is currently studying: {topic}. Focus your answers around this topic when relevant." | |
| try: | |
| client = Groq(api_key=GROQ_API_KEY) | |
| response = client.chat.completions.create( | |
| model="llama-3.3-70b-versatile", | |
| messages=[{"role": "system", "content": system}] + messages, | |
| max_tokens=400, | |
| temperature=0.7, | |
| ) | |
| return response.choices[0].message.content.strip() | |
| except Exception as e: | |
| return f"Sorry, I couldn't connect right now. Please try again! (Error: {str(e)})" | |