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KwickClips Python · 42 sec · free

Why does nums[1:3] give only two items?

Short answer. The slice stops before index 3.

What is nums[-1]?

The last item of the list.

Remember

Create with [ ]
-1 is the last item
Slice stop is not included

Slice one to three, get two items. Why? Minus one is the last item, forty. A slice stops before the stop index. So one to three gives twenty and thirty. Square brackets create a list. Minus one is the last item. Stop is not included.

This clip is from the full lesson: Lists: Creating, Indexing, Slicing and List Operations — 7 minutes, with the tables, the quick answers and the whole lesson in text.

Useful for: CBSE Class 10 Information Technology (402), CBSE Class 9 Artificial Intelligence (417), CBSE Class 9 Artificial Intelligence (417), CBSE Class 11 Computer Science (083)

More KwickClips from this lesson

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