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"
| Call | Result |
|---|---|
| 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)
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