KwickClips Python · 46 sec · free
MUMBAI has six letters. Is the last one at index 6?
Short answer. No. The last letter I is at index 5, or -1.
Where does negative indexing start?
It starts at -1 for the last character and counts from the right.
The index ruler
| Letter | Positive | Negative |
|---|---|---|
| M | 0 | -6 |
| U | 1 | -5 |
| A | 4 | -2 |
| I | 5 | -1 |
Remember
| Left starts at 0 |
| Right starts at -1 |
Mumbai has six letters. Last at index six? No. Each letter has two indexes. First is zero, or minus six. Next is one, or minus five. A is four, or minus two. Last is five, or minus one. Left starts at zero. Right starts at minus one.
This clip is from the full lesson: Strings: Indexing, Slicing and String Operations — 8 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science Essentials (083), CBSE Class 11 Computer Science Essentials (083)
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