Getting a default value on index out of range in Python [duplicate]

a=['123','2',4]
b=a[4] or 'sss'
print b

I want to get a default value when the list index is out of range (here: 'sss').

How can I do this?


Solution 1:

In the Python spirit of "ask for forgiveness, not permission", here's one way:

try:
    b = a[4]
except IndexError:
    b = 'sss'

Solution 2:

In the non-Python spirit of "ask for permission, not forgiveness", here's another way:

b = a[4] if len(a) > 4 else 'sss'