x, y = 1, 2
x, y = y, x

a_list = [‘I’, ‘like’, ‘python’, ‘programming’]
a_string = “ “.join(a_list)

a_string = ‘I like python programming’
a_list = a_string.split()

[0]*1000 # лист, заполненный 1000 нулями
[1]*1000 # лист, заполненный 1000 единицами

x = {‘a’:1, ‘b’:2}
y = {‘c’:3, ‘d’:4}
z = {**x, **y}

a = ‘My string’
a = a[::-1]

def test(x,y):
    return x,y
a,b = test(1,2)

a_dict = {‘a’:1, ‘b’:2, ’c’:3}
for k, v in a_dict.items():
    print(‘{0}:{1}’.format(k, v))

a_list = list()
a_dict = dict()
a_set = set()
a_tuple = tuple()

my_string = ‘My string///‘
my_string.strip(‘/‘)

import sys
x = 1
print(sys.getsizeof(x))

a_list = [1, 2, 3, 1, 1, 4, 1, 4, 4, 1]
print(max(set(a_list), key=a_list.count))

nums = [1, 2, 3]
words = ['one', 'two', 'three']

for w, n in zip(words, nums):
    print(f'{w} = {n}')

# one = 1
# two = 2
# three = 3 

list(zip(*zip(words, nums)))
# [('one', 'two', 'three'), (1, 2, 3)]

>>> exit
Use exit() or Ctrl-D (i.e. EOF) to exit
>>> exit()
nameless@pycoders:~$ 

import sys

try:
    # code
except:
    sys.exit()

In : int('୧৬𝟙༣')
Out: 1613

In : int('෯')
Out: 9

In : '٢'.isdecimal()
Out: True

In : bool(re.match('\d', '౫'))
Out: True

with open('f') as f:
    with open('g') as g:
        with open('h') as h:
            pass

o = open
with o('f') as f, o('g') as g, o('h') as h:
    pass

from contextlib import nested
with nested(o('f'), o('g'), o('h')) as (f, g, h):
    pass

for х in [2, 3, 4, 5]:
    if x % 2 == 1:
        print (x)
        break
else:
    print('Нет нечётных элементов в списке')

# Output: 3

for х in [2, 4, 6]:
    if x % 2 == 1:
        print(x)
        break
else:
    print('Нет нечётных элементов в списке')

# Output: Нет нечётных элементов в списке

>>> 2 + 2
4
>>> _
4

for _ in range(10):
    print('Hello!')

>>> OrderedDict(a=1, b=2) == OrderedDict(b=2, a=1)
False
>>> dict(a=1, b=2) == dict(b=2, a=1)
True

In: {**{'a': 1}, 'b': 2, **{'c': 3}}
Out: {'a': 1, 'b': 2, 'c': 3}

In: [1, 2, *[3, 4]]
Out: [1, 2, 3, 4]

In: {**{'a': 1, 'b': 1}, 'a': 2, **{'b': 3}}
Out: {'a': 2, 'b': 3}

import collections
Player = collections.namedtuple('Player', 'score name')
d = {'John': 5, 'Alex' : 10, 'Richard': 7}

worst = sorted(Player(v ,k) for (k, v) in d.items())

best = sorted([Player(v, k) for (k, v) in d.items()], reverse=True)

player = best[1]
player.name
# Out: 'Richard'
player.score
# Out:  7

from collections import Counter 

def check(str1, str2): 
     return Counter(str1) == Counter(str2) 

print(check('abc', 'cba')) 
# True
print(check('sdf', 'asd')) 
# False

my_object = 'Test' # True example
# my_object = '' # False example


if len(my_object) > 0:
    print('my_object is not empty')

if len(my_object):  
    print('my_object is not empty')
    # 0 will evaluate to False


if my_object != '':
    print('my_object is not empty')

if my_object:    
    print('my_object is not empty')
    # an empty string will evaluate to False