{"task": {"agent_timeout": 1800, "task": "78", "verifier_timeout": 1800, "instruction": "# 78: DS-1000 Task\n\n## Prompt\nProblem:\nI have a simple dataframe which I would like to bin for every 4 rows.\n\n\nIt looks like this:\n\n\n    col1\n0      1\n1      1\n2      4\n3      5\n4      1\n5      4\nand I would like to turn it into this:\n\n\n    col1\n0     11\n1      5\nI have already posted a similar question here but I have no Idea how to port the solution to my current use case.\n\n\nCan you help me out?\n\n\nMany thanks!\n\n\n\n\nA:\n<code>\nimport pandas as pd\n\n\ndf = pd.DataFrame({'col1':[1, 1, 4, 5, 1, 4]})\n</code>\nresult = ... # put solution in this variable\nBEGIN SOLUTION\n<code>\n\n## What to do\n- Edit `solution/solution.py` so the code passes the DS-1000 tests.\n- Do not access the internet or install new packages; required libraries are preinstalled in the Docker image.\n- Run tests locally via `bash tests/test.sh`.\n\n## Notes\n- Keep the variable names/signatures implied by the prompt/code_context.\n- The evaluator uses the original DS-1000 `code_context` (`test_execution` / `test_string`).\n", "memory": "", "runnable": false, "difficulty": "", "language": "", "cpus": "", "instruction_truncated": false, "category": "", "compose": false, "has_solution": true, "oracle": null, "docker_image": "ds1000:latest", "taskset": "ds1000", "tags": []}, "runs": []}