>>> d = {0: ['1', '2', '3', '4'], 1: ['1', '2', '3', '4'], 2: ['1', '2', '3', '4']}>>> d[0][1]
'2'>>> list(map(lambda x,y: str(int(x)+int(y)), d[0], ['1', '2', '3', '4']))
['2', '4', '6', '8']
>>>>>> [str(int(d[0][x[0]])+int(x[1])) for x in enumerate(['1', '2', '3', '4'])]
['2', '4', '6', '8']import datetime
lst = [{'date': '2017-09-03'}, {'date': '2017-09-02'}, {'date': '2017-09-01'}, {'date': '2017-09-28'}, {'date': '2017-10-02'}]
now = datetime.datetime.now()
lst2 = filter(lambda x: datetime.datetime.strptime(x['date'], '%Y-%m-%d')>now-datetime.timedelta(days=4) and datetime.datetime.strptime(x['date'], '%Y-%m-%d')<now+datetime.timedelta(days=4), lst)>>> lst2
[{'date': '2017-09-28'}, {'date': '2017-10-02'}]lst_sorted = filter(lambda y: y not in lst2, sorted(lst, key=lambda x: datetime.datetime.strptime(x['date'], '%Y-%m-%d')))>>> lst2 + lst_sorted
[{'date': '2017-09-28'}, {'date': '2017-10-02'}, {'date': '2017-09-01'}, {'date': '2017-09-02'}, {'date': '2017-09-03'}]{% if errorpages.len() >0 %}{% if errorpages|length >0 %}
>>> import xml.etree.ElementTree as ET
>>> root = ET.fromstring('<img src="some.jpg"></img>')
>>> root
<Element 'img' at 0x104bd5458>
>>> root.get('src')
'some.jpg'
>>> root.tag
'img'>>> def some_magic(patt, str_in):
... import re
... patt = patt.replace('%s', '(.*)')
... res = re.match(patt, str_in)
... return res.groups()
...
>>>
>>> print(some_magic('<%s=\"%s\">', '<img src="some.jpg">'))
('img src', 'some.jpg')