Александр

>>> a = [1,2,3,4,5]
>>> b = [str(i) for i in a]
>>> print(b)
['1', '2', '3', '4', '5']

>>> from itertools import zip_longest
>>> a = ['1', '2']
>>> b = []
>>> list(zip_longest(a, b, fillvalue=''))
[('1', ''), ('2', '')]
>>>

a = [('1',), ('2',)]
a = [i[0] for i in a]

from urllib.parse import urlencode
import quopri

# Туда
args = {'a':1, 'en': 'hello', 'rus': u'привет'}
url = urlencode(args, encoding='utf-8')
print(url)

# а теперь обратно
q = '%D0%BF%D1%80%D0%B8%D0%B2%D0%B5%D1%82'
q = bytes(q.replace('%', '='), 'UTF-8')
print(q)
b = quopri.decodestring(q)
print(b.decode('UTF-8'))

In [1]: ', '.join(['my', 'super', 'list'])
Out[1]: 'my, super, list'

In [2]: import os

In [3]: os.path.join('path', 'to', 'script')
Out[3]: 'path/to/script'

In [4]: os.path.abspath(os.path.join('path', 'to', 'script'))
Out[4]: '/home/username/path/to/script'

In [5]: os.path.abspath(os.path.join('/', 'path', 'to', 'script'))
Out[5]: '/path/to/script'

while(testlist):
	x = testlist.pop(0)
	print('Беру элемент', x)
	print('Удаляю', x)

for item in your_list:
    print(item['id'], item['username'])

print('\n'.join('%s %s' % (item['id'], item['username']) for item in your_list))