Add files via upload

Author: kazcfz

app.py

@@ -0,0 +1,37 @@
+from flask import Flask, request, render_template
+from io import StringIO
+import sys
+
+app = Flask(__name__)
+
+@app.route('/', methods=['GET', 'POST'])
+def index():
+    if request.method == 'POST':
+        user_code = request.form['user_code']
+        result = 0
+        
+        try:
+            #capture the output
+            original_stdout = sys.stdout
+            sys.stdout = StringIO()
+
+            #execute arbitrary code
+            exec(user_code)
+
+            #retrieve output
+            output = sys.stdout.getvalue()
+
+            #reset stdout
+            sys.stdout = original_stdout
+
+            result = output.strip()
+
+        except Exception as e:
+            result = f"Error: {str(e)}"
+
+        return render_template('index.html', result=result, user_code=user_code)
+    
+    return render_template('index.html', result=None, user_code="# Write your Python code here and execute it.\nprint('Try me!')")
+
+if __name__ == '__main__':
+    app.run(debug=True)