multiple if else in python in one line

1# ex. 1
2if (cond1 == 'val1' and cond2 == 'val2' and 
3       cond3 == 'val3' and cond4 == 'val4'):
4    do_something
5    
6# Also, don't forget the whitespace is more flexible than you might think:
7# ex. 2
8if (   
9       cond1 == 'val1' and cond2 == 'val2' and 
10       cond3 == 'val3' and cond4 == 'val4'
11   ):
12    do_something
13if    (cond1 == 'val1' and cond2 == 'val2' and 
14       cond3 == 'val3' and cond4 == 'val4'):
15    do_something

1a = "neg" if b<0 else "pos" if b>0 else "zero"

1>>> i=100
2>>> a = 1 if i<100 else 2 if i>100 else 0
3>>> a
40
5>>> i=101
6>>> a = 1 if i<100 else 2 if i>100 else 0
7>>> a
82
9>>> i=99
10>>> a = 1 if i<100 else 2 if i>100 else 0
11>>> a
121
13