Програмиране с Python

Курс във Факултета по Математика и Информатика към СУ

Решение на Четири функции от Кристиан Цветков

Обратно към всички решения

Към профила на Кристиан Цветков

Резултати

  • 2 точки от тестове
  • 0 бонус точки
  • 2 точки общо
  • 5 успешни тест(а)
  • 15 неуспешни тест(а)

Код

def groupby(func, seq):
result_dictionary = {}
for i in seq:
key = func(i)
if key in result_dictionary:
result_dictionary[key].append(i)
else:
result_dictionary[key] = [i]
return result_dictionary

Лог от изпълнението

EEEEE.....EEEEEEEEEE
======================================================================
ERROR: test_cache_cache_is_not_global (test.SecondHomeworkTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 60, in thread
    raise it.exc_info[1]
  File "lib/language/python/runner.py", line 48, in run
    self.result = func(*args, **kwargs)
  File "/tmp/d20130408-29081-12h83fp/test.py", line 129, in test_cache_cache_is_not_global
    cached_double1 = solution.cache(double, 3)
AttributeError: 'module' object has no attribute 'cache'

======================================================================
ERROR: test_cache_call_is_cached (test.SecondHomeworkTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 60, in thread
    raise it.exc_info[1]
  File "lib/language/python/runner.py", line 48, in run
    self.result = func(*args, **kwargs)
  File "/tmp/d20130408-29081-12h83fp/test.py", line 116, in test_cache_call_is_cached
    cached_double = solution.cache(double, 10)
AttributeError: 'module' object has no attribute 'cache'

======================================================================
ERROR: test_cache_function_with_vargs (test.SecondHomeworkTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 60, in thread
    raise it.exc_info[1]
  File "lib/language/python/runner.py", line 48, in run
    self.result = func(*args, **kwargs)
  File "/tmp/d20130408-29081-12h83fp/test.py", line 159, in test_cache_function_with_vargs
    cached_sum = solution.cache(sum_varargs, 10)
AttributeError: 'module' object has no attribute 'cache'

======================================================================
ERROR: test_cache_no_cache (test.SecondHomeworkTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 60, in thread
    raise it.exc_info[1]
  File "lib/language/python/runner.py", line 48, in run
    self.result = func(*args, **kwargs)
  File "/tmp/d20130408-29081-12h83fp/test.py", line 103, in test_cache_no_cache
    cached_double = solution.cache(double, 0)
AttributeError: 'module' object has no attribute 'cache'

======================================================================
ERROR: test_cache_size_is_respected (test.SecondHomeworkTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 60, in thread
    raise it.exc_info[1]
  File "lib/language/python/runner.py", line 48, in run
    self.result = func(*args, **kwargs)
  File "/tmp/d20130408-29081-12h83fp/test.py", line 143, in test_cache_size_is_respected
    cached_double = solution.cache(double, 2)
AttributeError: 'module' object has no attribute 'cache'

======================================================================
ERROR: test_iterate_ordered_calls (test.SecondHomeworkTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 60, in thread
    raise it.exc_info[1]
  File "lib/language/python/runner.py", line 48, in run
    self.result = func(*args, **kwargs)
  File "/tmp/d20130408-29081-12h83fp/test.py", line 37, in test_iterate_ordered_calls
    powers_of_two = solution.iterate(lambda x: x*2)
AttributeError: 'module' object has no attribute 'iterate'

======================================================================
ERROR: test_iterate_out_of_order_calls (test.SecondHomeworkTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 60, in thread
    raise it.exc_info[1]
  File "lib/language/python/runner.py", line 48, in run
    self.result = func(*args, **kwargs)
  File "/tmp/d20130408-29081-12h83fp/test.py", line 48, in test_iterate_out_of_order_calls
    powers_of_two = solution.iterate(lambda x: x*2)
AttributeError: 'module' object has no attribute 'iterate'

======================================================================
ERROR: test_iterate_out_of_order_calls_again (test.SecondHomeworkTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 60, in thread
    raise it.exc_info[1]
  File "lib/language/python/runner.py", line 48, in run
    self.result = func(*args, **kwargs)
  File "/tmp/d20130408-29081-12h83fp/test.py", line 48, in test_iterate_out_of_order_calls
    powers_of_two = solution.iterate(lambda x: x*2)
AttributeError: 'module' object has no attribute 'iterate'

======================================================================
ERROR: test_iterate_out_of_order_calls_yet_again (test.SecondHomeworkTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 60, in thread
    raise it.exc_info[1]
  File "lib/language/python/runner.py", line 48, in run
    self.result = func(*args, **kwargs)
  File "/tmp/d20130408-29081-12h83fp/test.py", line 48, in test_iterate_out_of_order_calls
    powers_of_two = solution.iterate(lambda x: x*2)
AttributeError: 'module' object has no attribute 'iterate'

======================================================================
ERROR: test_iterate_start_with_identity_function (test.SecondHomeworkTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 60, in thread
    raise it.exc_info[1]
  File "lib/language/python/runner.py", line 48, in run
    self.result = func(*args, **kwargs)
  File "/tmp/d20130408-29081-12h83fp/test.py", line 32, in test_iterate_start_with_identity_function
    bracketisers = solution.iterate(lambda x: '(' + x + ')') # there's no such word, really
AttributeError: 'module' object has no attribute 'iterate'

======================================================================
ERROR: test_zip_with_empty (test.SecondHomeworkTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 60, in thread
    raise it.exc_info[1]
  File "lib/language/python/runner.py", line 48, in run
    self.result = func(*args, **kwargs)
  File "/tmp/d20130408-29081-12h83fp/test.py", line 66, in test_zip_with_empty
    actual = solution.zip_with(lambda x: x)
AttributeError: 'module' object has no attribute 'zip_with'

======================================================================
ERROR: test_zip_with_infinite_sequence (test.SecondHomeworkTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 60, in thread
    raise it.exc_info[1]
  File "lib/language/python/runner.py", line 48, in run
    self.result = func(*args, **kwargs)
  File "/tmp/d20130408-29081-12h83fp/test.py", line 81, in test_zip_with_infinite_sequence
    actual = solution.zip_with(lambda x, y, z: x + y + z, first_names, spaces, last_names)
AttributeError: 'module' object has no attribute 'zip_with'

======================================================================
ERROR: test_zip_with_nonequalty (test.SecondHomeworkTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 60, in thread
    raise it.exc_info[1]
  File "lib/language/python/runner.py", line 48, in run
    self.result = func(*args, **kwargs)
  File "/tmp/d20130408-29081-12h83fp/test.py", line 92, in test_zip_with_nonequalty
    actual = solution.zip_with(int.__add__, numbers1, numbers2)
AttributeError: 'module' object has no attribute 'zip_with'

======================================================================
ERROR: test_zip_with_one_shorter_seqence (test.SecondHomeworkTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 60, in thread
    raise it.exc_info[1]
  File "lib/language/python/runner.py", line 48, in run
    self.result = func(*args, **kwargs)
  File "/tmp/d20130408-29081-12h83fp/test.py", line 73, in test_zip_with_one_shorter_seqence
    actual = solution.zip_with(str.__add__, first_names, last_names)
AttributeError: 'module' object has no attribute 'zip_with'

======================================================================
ERROR: test_zip_with_vargs_function (test.SecondHomeworkTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 60, in thread
    raise it.exc_info[1]
  File "lib/language/python/runner.py", line 48, in run
    self.result = func(*args, **kwargs)
  File "/tmp/d20130408-29081-12h83fp/test.py", line 86, in test_zip_with_vargs_function
    actual = solution.zip_with(lambda *x: sum(x), [1], [2], [3], [5], [8])
AttributeError: 'module' object has no attribute 'zip_with'

----------------------------------------------------------------------
Ran 20 tests in 0.013s

FAILED (errors=15)

История (2 версии и 0 коментара)

Кристиан обнови решението на 15.03.2013 22:45 (преди над 11 години)

+from collections import defaultdict
+
+
+def groupby(func, seq):
+ result_dictionary = defaultdict(list)
+ [result_dictionary[func(i)].append(i) for i in seq]
+ return result_dictionary

Кристиан обнови решението на 15.03.2013 23:28 (преди над 11 години)

-from collections import defaultdict
-
-
def groupby(func, seq):
- result_dictionary = defaultdict(list)
- [result_dictionary[func(i)].append(i) for i in seq]
+ result_dictionary = {}
+ for i in seq:
+ key = func(i)
+ if key in result_dictionary:
+ result_dictionary[key].append(i)
+ else:
+ result_dictionary[key] = [i]
return result_dictionary