one line if statement python

1value_when_true if condition else value_when_false

1x = 'foo' if bar else 'baz'

1visitorScore = res[3] if res[4] is not None else ""
2

1value_when_true if condition else value_when_false
2Better Example: (thanks Mr. Burns)
3
4'Yes' if fruit == 'Apple' else 'No'
5
6Now with assignment and contrast with if syntax
7
8fruit = 'Apple'
9isApple = True if fruit == 'Apple' else False
10vs
11
12fruit = 'Apple'
13isApple = False
14if fruit == 'Apple' : isApple = True

1new_value = value_when_true if condition else value_when_false

1var = [expression1] if [condition] else [expression2]