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README.md

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+---
+title: Code Explainer 💡
+emoji: 🧠
+colorFrom: indigo
+colorTo: purple
+sdk: streamlit
+sdk_version: "1.35.0"
+app_file: streamlit_app.py
+pinned: false
+---
+
+# 🧠 Code Explainer (Lightweight Version)
+
+This app uses `Salesforce/codet5-base` to explain Python code snippets in plain English. Works fast on CPU-only Hugging Face Spaces.
+
+## 🛠 How to Use
+1. Paste Python code in the box
+2. Click "Explain"
+3. Read the AI-generated step-by-step explanation

prompt_utils.py

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+def build_prompt(code_snippet):
+    return f"""### Explain this Python code step-by-step:
+```python
+{code_snippet}
+```
+Explanation:"""

requirements.txt

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-altair
-pandas
-streamlit
+transformers
+torch
+streamlit

streamlit_app.py

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+import streamlit as st
+from model.model_utils import load_model, generate_explanation
+from prompt_utils import build_prompt
+
+st.set_page_config(page_title="Code Explainer", layout="centered")
+
+st.title("🧠 Code Explainer")
+st.write("Paste your Python code below and get a plain English explanation:")
+
+code_input = st.text_area("Paste Python Code", height=200)
+
+if st.button("Explain"):
+    if code_input.strip():
+        with st.spinner("Generating explanation..."):
+            tokenizer, model, device = load_model()
+            prompt = build_prompt(code_input)
+            st.subheader("🔍 Prompt Sent to Model")
+            st.code(prompt)
+
+            explanation = generate_explanation(prompt, tokenizer, model, device)
+            st.subheader("📝 Raw Output from Model")
+            st.code(explanation)
+
+            st.subheader("✅ Final Explanation")
+            st.write(explanation.split("Explanation:")[-1].strip())
+    else:
+        st.warning("Please paste some code to explain.")