bcb-0002

[
  {
    "total": 1,
    "answer": "```python\nimport random\nimport statistics\n\ndef task_func(LETTERS):\n    \"\"\"\n    Create a dictionary in which keys are random letters and values are lists of random integers.\n    The dictionary is then sorted by the mean of the values in descending order, demonstrating the use of the statistics library.\n    \n    Parameters:\n        LETTERS (list of str): A list of characters used as keys for the dictionary.\n    \n    Returns:\n    dict: The sorted dictionary with letters as keys and lists of integers as values, sorted by their mean values.\n    \n    Requirements:\n    - random\n    - statistics\n    \n    Example:\n    >>> import random\n    >>> random.seed(42)\n    >>> sorted_dict = task_func(['a', 'b', 'c'])\n    >>> list(sorted_dict.keys())\n    ['a', 'b', 'c']\n    >>> isinstance(sorted_dict['a'], list)\n    True\n    >>> type(sorted_dict['a'])  # Check type of values\n    <class 'list'>\n    \"\"\"\n    # Create a dictionary with random letters as keys and lists of random integers as values\n    result = {letter: [random.randint(1, 100) for _ in range(random.randint(1, 10)]] for letter in LETTERS}\n    \n    # Sort the dictionary by the mean of the values in descending order\n    sorted_result = dict(sorted(result.items(), key=lambda item: statistics.mean(item[1]), reverse=True))\n    \n    return sorted_result\n```",
    "passed": 0,
    "test_error": "==================================== ERRORS ====================================\n______________________ ERROR collecting test_bcb_0002.py _______________________\n/home/psc/miniconda3/envs/peakstone-bcb/lib/python3.10/site-packages/_pytest/python.py:487: in importtestmodule\n    mod = import_path(\n/home/psc/miniconda3/envs/peakstone-bcb/lib/python3.10/site-packages/_pytest/pathlib.py:591: in import_path\n    importlib.import_module(module_name)\n/home/psc/miniconda3/envs/peakstone-bcb/lib/python3.10/importlib/__init__.py:126: in import_module\n    return _bootstrap._gcd_import(name[level:], package, level)\n<frozen importlib._bootstrap>:1050: in _gcd_import\n    ???\n<frozen importlib._bootstrap>:1027: in _find_and_load\n    ???\n<frozen importlib._bootstrap>:1006: in _find_and_load_unlocked\n    ???\n<frozen importlib._bootstrap>:688: in _load_unlocked\n    ???\n/home/psc/miniconda3/envs/peakstone-bcb/lib/python3.10/site-packages/_pytest/assertion/rewrite.py:178: in exec_module\n    exec(co, module.__dict__)\ntest_bcb_0002.py:3: in <module>\n    exec(_pathlib.Path(__file__).with_name(\"solution.py\").read_text(), globals())\nE     File \"<string>\", line 31\nE       result = {letter: [random.randint(1, 100) for _ in range(random.randint(1, 10)]] for letter in LETTERS}\nE                                                                                     ^\nE   SyntaxError: closing parenthesis ']' does not match opening parenthesis '('\n=========================== short test summary info ============================\nERROR test_bcb_0002.py\n!!!!!!!!!!!!!!!!!!!! Interrupted: 1 error during collection !!!!!!!!!!!!!!!!!!!!\n1 error in 0.06s"
  },
  {
    "total": 5,
    "answer": "```python\nimport random\nimport statistics\n\ndef task_func(LETTERS):\n    \"\"\"\n    Create a dictionary in which keys are random letters and values are lists of random integers.\n    The dictionary is then sorted by the mean of the values in descending order, demonstrating the use of the statistics library.\n    \n    Parameters:\n        LETTERS (list of str): A list of characters used as keys for the dictionary.\n    \n    Returns:\n    dict: The sorted dictionary with letters as keys and lists of integers as values, sorted by their mean values.\n    \n    Requirements:\n    - random\n    - statistics\n    \n    Example:\n    >>> import random\n    >>> random.seed(42)\n    >>> sorted_dict = task_func(['a', 'b', 'c'])\n    >>> list(sorted_dict.keys())\n    ['a', 'b', 'c']\n    >>> isinstance(sorted_dict['a'], list)\n    True\n    >>> type(sorted_dict['a'])  # Check type of values\n    <class 'list'>\n    \"\"\"\n    # Create a dictionary with random letters as keys and lists of random integers as values\n    result = {letter: [random.randint(1, 100) for _ in range(random.randint(1, 10))] for letter in LETTERS}\n    \n    # Sort the dictionary by the mean of the values in descending order\n    sorted_result = dict(sorted(result.items(), key=lambda item: statistics.mean(item[1]), reverse=True))\n    \n    return sorted_result\n```",
    "passed": 5,
    "test_error": ""
  }
]

You are an expert programmer. Solve the task exactly as specified. Output your solution as fenced code blocks using the required file name(s) and the exact function/type signatures requested. Prefer correctness; do not include prose outside code unless asked.