bcb-0005
0.200
Proposed solution
```python
import random
import math
def task_func(LETTERS=[chr(i) for i in range(97, 123)]):
result = {}
for letter in LETTERS:
random_list = [random.randint(0, 100) for _ in range(random.randint(1, 10))]
result[letter] = round(statistics.pstdev(random_list), 4)
return result
```Test output (stdout)
FF.FF [100%]
=================================== FAILURES ===================================
________________________ TestCases.test_custom_letters _________________________
self = <test_bcb_0005.TestCases testMethod=test_custom_letters>
def test_custom_letters(self):
# Test the function with a custom set of letters
custom_letters = ['x', 'y', 'z']
> sd_dict = task_func(custom_letters)
test_bcb_0005.py:22:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
LETTERS = ['x', 'y', 'z']
> ???
E NameError: name 'statistics' is not defined
<string>:8: NameError
________________________ TestCases.test_default_letters ________________________
self = <test_bcb_0005.TestCases testMethod=test_default_letters>
def test_default_letters(self):
# Test the function with the default set of letters
> sd_dict = task_func()
test_bcb_0005.py:15:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
LETTERS = ['a', 'b', 'c', 'd', 'e', 'f', ...]
> ???
E NameError: name 'statistics' is not defined
<string>:8: NameError
_________________________ TestCases.test_known_values __________________________
self = <test_bcb_0005.TestCases testMethod=test_known_values>
mocked_randint = <MagicMock name='randint' id='123484577724160'>
@patch('random.randint')
def test_known_values(self, mocked_randint):
# Test with known values to check correct standard deviation calculation
mocked_randint.side_effect = [2, 10, 1] # List size of 2, with values 10 and 1
letters = ['a']
> sd_dict = task_func(letters)
test_bcb_0005.py:44:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
LETTERS = ['a']
> ???
E NameError: name 'statistics' is not defined
<string>:8: NameError
________________________ TestCases.test_uniform_values _________________________
self = <test_bcb_0005.TestCases testMethod=test_uniform_values>
mocked_randint = <MagicMock name='randint' id='123484579557584'>
@patch('random.randint')
def test_uniform_values(self, mocked_randint):
# Test with uniform values to check standard deviation is zero
mocked_randint.side_effect = [3, 50, 50, 50, 3, 50, 50, 50] # Two iterations: size 3, values all 50
letters = ['a', 'b']
> sd_dict = task_func(letters)
test_bcb_0005.py:32:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
LETTERS = ['a', 'b']
> ???
E NameError: name 'statistics' is not defined
<string>:8: NameError
=========================== short test summary info ============================
FAILED test_bcb_0005.py::TestCases::test_custom_letters - NameError: name 'st...
FAILED test_bcb_0005.py::TestCases::test_default_letters - NameError: name 's...
FAILED test_bcb_0005.py::TestCases::test_known_values - NameError: name 'stat...
FAILED test_bcb_0005.py::TestCases::test_uniform_values - NameError: name 'st...
4 failed, 1 passed in 0.03s
Self-repair attempts
[
{
"total": 5,
"answer": "```python\nimport random\nimport math\n\ndef task_func(LETTERS=[chr(i) for i in range(97, 123)]):\n result = {}\n for letter in LETTERS:\n random_list = [random.randint(0, 100) for _ in range(random.randint(1, 10))]\n result[letter] = round(statistics.pstdev(random_list), 4)\n return result\n```",
"passed": 1,
"test_error": " = ['x', 'y', 'z']\n\n> ???\nE NameError: name 'statistics' is not defined\n\n<string>:8: NameError\n________________________ TestCases.test_default_letters ________________________\n\nself = <test_bcb_0005.TestCases testMethod=test_default_letters>\n\n def test_default_letters(self):\n # Test the function with the default set of letters\n> sd_dict = task_func()\n\ntest_bcb_0005.py:15: \n_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ \n\nLETTERS = ['a', 'b', 'c', 'd', 'e', 'f', ...]\n\n> ???\nE NameError: name 'statistics' is not defined\n\n<string>:8: NameError\n_________________________ TestCases.test_known_values __________________________\n\nself = <test_bcb_0005.TestCases testMethod=test_known_values>\nmocked_randint = <MagicMock name='randint' id='123484577724160'>\n\n @patch('random.randint')\n def test_known_values(self, mocked_randint):\n # Test with known values to check correct standard deviation calculation\n mocked_randint.side_effect = [2, 10, 1] # List size of 2, with values 10 and 1\n letters = ['a']\n> sd_dict = task_func(letters)\n\ntest_bcb_0005.py:44: \n_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ \n\nLETTERS = ['a']\n\n> ???\nE NameError: name 'statistics' is not defined\n\n<string>:8: NameError\n________________________ TestCases.test_uniform_values _________________________\n\nself = <test_bcb_0005.TestCases testMethod=test_uniform_values>\nmocked_randint = <MagicMock name='randint' id='123484579557584'>\n\n @patch('random.randint')\n def test_uniform_values(self, mocked_randint):\n # Test with uniform values to check standard deviation is zero\n mocked_randint.side_effect = [3, 50, 50, 50, 3, 50, 50, 50] # Two iterations: size 3, values all 50\n letters = ['a', 'b']\n> sd_dict = task_func(letters)\n\ntest_bcb_0005.py:32: \n_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ \n\nLETTERS = ['a', 'b']\n\n> ???\nE NameError: name 'statistics' is not defined\n\n<string>:8: NameError\n=========================== short test summary info ============================\nFAILED test_bcb_0005.py::TestCases::test_custom_letters - NameError: name 'st...\nFAILED test_bcb_0005.py::TestCases::test_default_letters - NameError: name 's...\nFAILED test_bcb_0005.py::TestCases::test_known_values - NameError: name 'stat...\nFAILED test_bcb_0005.py::TestCases::test_uniform_values - NameError: name 'st...\n4 failed, 1 passed in 0.03s"
},
{
"total": 5,
"answer": "```python\nimport random\nimport math\nfrom statistics import pstdev\n\ndef task_func(LETTERS=[chr(i) for i in range(97, 123)]):\n result = {}\n for letter in LETTERS:\n random_list = [random.randint(0, 100) for _ in range(random.randint(1, 10))]\n result[letter] = round(pstdev(random_list), 4)\n return result\n```",
"passed": 5,
"test_error": ""
}
]System prompt
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.