Create app.py

app.py

@@ -0,0 +1,78 @@
+import gradio as gr
+from transformers import AutoTokenizer, AutoModelForCausalLM
+import torch
+
+MODEL_ID = "newtechdevng/math-tutor-smollm2-360M"
+
+print("Loading model...")
+tokenizer = AutoTokenizer.from_pretrained(MODEL_ID)
+model = AutoModelForCausalLM.from_pretrained(
+    MODEL_ID,
+    torch_dtype=torch.float32,
+    device_map="cpu"
+)
+model.eval()
+print("Ready!")
+
+SYSTEM_PROMPT = (
+    "You are an expert math teacher for students from Class 6 to Class 10. "
+    "Solve problems step by step, show all working, and explain clearly."
+)
+
+def solve(question, class_level, history):
+    if not question.strip():
+        return history, ""
+    prompt = (
+        "<|im_start|>system\n"
+        + SYSTEM_PROMPT
+        + " You are helping a Class " + class_level + " student.<|im_end|>\n"
+        + "<|im_start|>user\n"
+        + question
+        + "<|im_end|>\n<|im_start|>assistant\n"
+    )
+    inputs = tokenizer(prompt, return_tensors="pt")
+    with torch.no_grad():
+        outputs = model.generate(
+            **inputs,
+            max_new_tokens=350,
+            temperature=0.1,
+            do_sample=True,
+            pad_token_id=tokenizer.eos_token_id,
+        )
+    reply = tokenizer.decode(outputs[0], skip_special_tokens=False)
+    answer = reply.split("<|im_start|>assistant\n")[-1]
+    answer = answer.replace("<|im_end|>", "").strip()
+    history.append((question, answer))
+    return history, ""
+
+with gr.Blocks(title="Math Tutor Class 6-10", theme=gr.themes.Soft()) as app:
+    gr.Markdown("# 🎓 Math Tutor — Class 6 to 10")
+    gr.Markdown("Ask any math question and get step-by-step solutions!")
+    with gr.Row():
+        class_level = gr.Dropdown(
+            choices=["6", "7", "8", "9", "10"],
+            value="8", label="Select Class", scale=1
+        )
+    chatbot = gr.Chatbot(label="Math Solutions", height=450)
+    with gr.Row():
+        question = gr.Textbox(
+            label="Your Question",
+            placeholder="e.g. Solve 3x - 7 = 14. Show all steps.",
+            lines=2, scale=4
+        )
+        btn = gr.Button("Solve", variant="primary", scale=1)
+    gr.Examples(
+        examples=[
+            ["Find the LCM of 12, 18 and 24.", "6"],
+            ["Solve: 3x - 7 = 14", "8"],
+            ["Find roots of x2 - 5x + 6 = 0", "10"],
+            ["A train travels 360 km in 4 hours. What is its speed?", "7"],
+            ["Find the area of a triangle with base 10 cm and height 6 cm.", "9"],
+        ],
+        inputs=[question, class_level]
+    )
+    state = gr.State([])
+    btn.click(solve, [question, class_level, state], [chatbot, question])
+    question.submit(solve, [question, class_level, state], [chatbot, question])
+
+app.launch()