Second option if str.index does not exist

Question

if I have a str and the I use str.index(char) and the char does not exist, is it possible with one line to assign another char to the variable?

Maybe like this

str = "bar/foo"

t = str.index("_") | "Empty"

str dosen't contain _ , so the string "Empty" should be assigned instead.

I recommend not using `str` as a variable name as it is a builtin and will cause you much pain down the road. — theorifice, Aug 01 '16 at 14:41

score 2 · Accepted Answer · answered Aug 01 '16 at 14:43

Since str.index() would throw a ValueError if substring is not in a string, wrap it into an if/else checking the presence of substring in a string via in operator:

>>> s = "bar/foo"
>>> s.index("_") if "_" in s else "Empty"
"Empty"

>>> s = "bar_foo"
>>> s.index("_") if "_" in s else "Empty"
3

Second option if str.index does not exist

1 Answers1