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KwickClips Python · 42 sec · free

What does find() return if the text is not found?

Short answer. -1.

What happens with index() when the text is missing?

The program stops with a ValueError.

Searching "banana"

CallResult
count("a")3
find("z")-1
index("z")ValueError
endswith("a")True

Remember

find missing: -1
index missing: ValueError

Both search. One crashes when text is missing. We search banana. Count gives three a's. Find gives minus one when missing. Index gives a value error. Endswith gives True or False. Find gives minus one. Index gives a value error.

This clip is from the full lesson: Built-in String Methods — 7 minutes, with the tables, the quick answers and the whole lesson in text.

Useful for: CBSE Class 9 Artificial Intelligence (417), CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science Essentials (083)

More KwickClips from this lesson

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