String Methods

rindex()

Find the last position of some text and raise an error if it is missing.

str.rindex(sub, start=0, end=len(str))

Find the last position of some text and raise an error if it is missing.

Parameters

Name	Description
sub	The text to look for.
start	Optional starting position.
end	Optional position where the search stops.

The highest index where the text occurs.

Run it and change it

text = "banana"
print(text.rindex("na"))

rindex() raises ValueError if the text is missing, while rfind() returns -1.