Code Runner

{
  "code": "const total = data.items.reduce((sum, n) => sum + n, 0);\nconsole.log('Processing', data.items.length, 'items');\nreturn { total, average: total / data.items.length };",
  "input": {
    "items": [10, 20, 30, 40]
  },
  "timeout": 5000
}

{
  "success": true,
  "result": "[object Object]",
  "stdout": "Processing 4 items",
  "stderr": "",
  "executionTime": 3
}

{
  "code": "import re\n\nemails = re.findall(r'[\\w.+-]+@[\\w-]+\\.[\\w.]+', data['text'])\nprint(f'Found {len(emails)} emails')\n{'emails': emails, 'count': len(emails)}",
  "input": {
    "text": "Contact us at support@example.com or sales@example.com for help."
  },
  "timeout": 5000
}

{
  "success": true,
  "result": "{'emails': ['support@example.com', 'sales@example.com'], 'count': 2}",
  "stdout": "Found 2 emails",
  "stderr": "",
  "executionTime": 85
}