arthur_sites

import re

WEIGHT = re.compile(r'\bweight=\'(\d+)\'').findall
def f(s):
    m = WEIGHT(s)
    return int(m[0]) if m else 1

print(f("sdfsadfasdf weight='42' sfsdafasfd"))
print(f("fsdafg weight='weight' wfewqr"))
print(f("sdfgasdfsd"))

with requests.Session() as session:
    session.post(url_0, data)  # авторизуешься
    response = session.get(url_1)  # получаешь данные с другой страницы сайта

>>> s = ((1, 2, 3), (4, 5, 6), (7, 8, 9))
>>> for i in s:
	        print(i)

(1, 2, 3)
(4, 5, 6)
(7, 8, 9)
>>> for (x, y, z) in s:
	        print(x, y, z, sep='\n')
	
1
2
3
4
5
6
7
8
9

my_dict = {"name": "Alexey", "age": 30 }

for key, value in my_dict:
    print("{0} - {1}".format(key, value))

.button {
	width: 100px;
	height: 50px;
	-webkit-transform: skew(20deg);
	   -moz-transform: skew(20deg);
	     -o-transform: skew(20deg);
	background: red;
}
.button a {
	-webkit-transform: skew(-20deg);
	   -moz-transform: skew(-20deg);
	     -o-transform: skew(-20deg);
}

.element {
	padding: 30px;
	background: #eee;
	position: relative;
	&:after {
		position: absolute;
		content:"";
		width: 0;
		height: 2px;
		background: red;
		bottom: 0;
		right: 0;
		left: 0;
		transition: all .5s;   
	} 

	&:hover {
		&:after {
			width: 100%; 
		}
	}
}