Upload 3 files

app.py

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+import streamlit as st
+import requests
+from streamlit_ace import st_ace
+
+# Configure Streamlit page
+st.set_page_config(
+    page_title="Online Python Compiler",
+    page_icon="🐍",
+    layout="wide"
+)
+
+st.title("🐍 Online Python Compiler")
+
+# Custom CSS for better design
+st.markdown(
+    """
+    <style>
+    body { background-color: #E3F2FD; }
+    .stTextArea textarea { font-size: 16px; font-family: monospace; }
+    .stButton button { background-color: #1E90FF; color: white; }
+    </style>
+    """,
+    unsafe_allow_html=True,
+)
+
+# Default Python code template
+default_code = '''# Write your Python code here
+print("Hello, World!")
+'''
+
+# Code editor (using Ace Editor)
+code = st_ace(
+    value=default_code,
+    language="python",
+    theme="monokai",
+    key="python_editor",
+    font_size=16,
+    height=300,
+    auto_update=True,
+)
+
+# Run button
+if st.button("▶ Run Code"):
+    if code.strip():
+        with st.spinner("Running your code..."):
+            try:
+                # Send code to backend
+                response = requests.post("http://127.0.0.1:5000/run", json={"code": code})
+                output = response.json().get("output", "Error in execution.")
+
+                # Display output
+                st.subheader("📌 Output:")
+                st.code(output, language="text")
+
+            except requests.exceptions.RequestException as e:
+                st.error(f"⚠️ Error connecting to the backend: {e}")
+    else:
+        st.warning("⚠️ Please write some Python code before running.")

backend.py

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+from flask import Flask, request, jsonify
+import subprocess
+
+app = Flask(__name__)
+
+@app.route("/run", methods=["POST"])
+def run_code():
+    try:
+        code = request.json.get("code", "")
+
+        if not code:
+            return jsonify({"output": "No code provided!"}), 400
+
+        # Run Python code in a subprocess
+        process = subprocess.run(
+            ["python", "-c", code],
+            capture_output=True,
+            text=True
+        )
+
+        output = process.stdout if process.stdout else process.stderr
+        return jsonify({"output": output})
+
+    except Exception as e:
+        return jsonify({"output": f"Error: {str(e)}"}), 500
+
+
+if __name__ == "__main__":
+    app.run(debug=True, port=5000)

requirements.txt

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+streamlit
+streamlit_ace
+flask
+requests