hw 4, 5, 6

if log.rfind("dummy connection") != -1:
    ...

if "dummy connection" in log:
    ...

my_dict = {
    '2007.01.01': 14,
    '2007.02.01': 17,
}
if key in my_dict.keys():
    ...

my_dict = {
    '2007.01.01': 14,
    '2007.02.01': 17,
}
if key in my_dict:
    ...

number_to_name = {
    "Jan": 1, "Feb": 2, "Mar": 3,
    "Apr": 4, "May": 5, "Jun": 6,
    "Jul": 7, "Aug": 8, "Sep": 9,
    "Oct": 10, "Nov": 11, "Dec": 12,
}

import calendar

monthes = list(calendar.month_abbr)
# >> ['', 'Jan', 'Feb', 'Mar', 'Apr',
# 'May', 'Jun', 'Jul', 'Aug', 'Sep',
# 'Oct', 'Nov', 'Dec']

import calendar

monthes = list(calendar.month_abbr)
# >> ['', 'Jan', 'Feb', 'Mar', 'Apr',
# 'May', 'Jun', 'Jul', 'Aug', 'Sep',
# 'Oct', 'Nov', 'Dec']

number_to_name = {
    month: idx
    for idx, month in
    enumerate(monthes[1:], start=1)
}
# {'Jan': 1,
# 'Feb': 2,
# 'Mar': 3,
# ...

def get_next_or_none(it):
    try:
        obj = next(it)
    except StopIteration:
        return None
    return obj

def get_next_or_none(it):
    return next(it, None)

from collections import OrderedDict

python3.6: обычные словари упорядочены из-за деталей реализации (грубо говоря, так случайно получилось)
python3.7+: обычные словари упорядочены, и это гарантированная фича языка

real = [i for i in merge(f1, f2)]

real = list(merge(f1, f2))

def all_is_none(seq):
    not_none = list(
        filter(lambda x: x is None, seq)
    )
    return len(not_none) == len(seq)

def all_is_none2(seq):
    return all(x is None for x in seq)

all_is_none([]), all_is_none2([])
# True, True

class TestMerge(unittest.TestCase):
    def test_one_sequence(self):
        f = [1, 2, 3]
        for i, el in enumerate(merge(f)):
            self.assertEqual(el, f[i])

def merge(*iterables, key=None):
    yield from []

def merge(*iterables, key=None):
    yield from []

from itertools import zip_longest

class TestMerge(unittest.TestCase):
    def test_one_sequence(self):
        f = [1, 2, 3]
        for i1, i2 in zip_longest(f, merge(f)):
            self.assertEqual(i1, i2)

class TestMerge(unittest.TestCase):
    def test_one_sequence(self):
        f = [1, 2, 3]
        real = list(merge(f))
        self.assertEqual(f, real)

class TestMerge(unittest.TestCase):
    def test1(self):
        a, b = [1, 2], [3, 4]
        self.assertEqual(...)

    def test1(self):
        a = [4, 3, 2, 1]
        b = [6, 5, 4, 3]
        self.assertEqual(...)

def test1():
    print(1)
    
def test1():
    print(2)
    
test1() # 2

pep8
- flake8
- Обращайте внимание на подсказки IDE
Используйте re.compile (но объявляйте его до цикла)
Открывайте файлы через with
collections.defaultdict и collections.Counter

08 hw456

By persi

hw 4, 5, 6

08 hw456

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