{"task": {"agent_timeout": 600, "task": "dacode-dm-csv-042", "verifier_timeout": 600, "instruction": "All input files are under `/app`. Save your output file(s) under `/app/output`.\n\nCalculate the total number of days between the InvoiceDate and the CohortDate (the date of a customer\u2019s first purchase) for each entry in the dataset. Save the calculated difference as CohortIndex in the result.csv file, ensuring the output matches the provided format", "memory": "4096m", "runnable": false, "difficulty": "medium", "language": "", "cpus": 1, "instruction_truncated": false, "category": "data-science", "compose": false, "has_solution": true, "oracle": null, "docker_image": "", "taskset": "dacode", "tags": ["data-processing", "coding", "dm", "dm-csv"]}, "runs": []}