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README.md

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+---
+title: GPT Code Explainer 💡
+emoji: 🤖
+colorFrom: blue
+colorTo: purple
+sdk: streamlit
+sdk_version: "1.35.0"
+app_file: streamlit_app.py
+pinned: false
+---
+
+# 🤖 GPT Code Explainer (OpenAI GPT-3.5)
+
+This app uses the OpenAI GPT-3.5 model to explain Python code in natural language.
+
+## 💡 How to Use
+1. Paste Python code into the text area.
+2. Add your OpenAI API key as a secret called `OPENAI_API_KEY` in your Hugging Face Space (or as a local env variable).
+3. Click "Explain" to get a clear explanation of the code.

requirements.txt

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+openai
+streamlit

streamlit_app.py

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+import streamlit as st
+import openai
+import os
+
+st.set_page_config(page_title="GPT Code Explainer", layout="centered")
+
+st.title("🧠 GPT-3.5 Code Explainer")
+st.write("Paste your Python code below and get a detailed explanation using OpenAI GPT-3.5.")
+
+code_input = st.text_area("Paste Python Code", height=200)
+
+openai_api_key = os.getenv("OPENAI_API_KEY")
+
+if st.button("Explain"):
+    if not openai_api_key:
+        st.error("OPENAI_API_KEY not set. Add it as a secret in your Hugging Face Space or local environment.")
+    elif code_input.strip():
+        with st.spinner("Asking GPT-3.5..."):
+            prompt = f"Explain the following Python function step-by-step in plain English:\n\n{code_input.strip()}"
+            try:
+                response = openai.ChatCompletion.create(
+                    model="gpt-3.5-turbo",
+                    messages=[{"role": "user", "content": prompt}],
+                    max_tokens=512,
+                    temperature=0.5
+                )
+                explanation = response.choices[0].message["content"].strip()
+                st.subheader("✅ Explanation")
+                st.write(explanation)
+            except Exception as e:
+                st.error(f"OpenAI API error: {e}")
+    else:
+        st.warning("Please paste some code to explain.")