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)
More KwickClips from this lesson
![Code slicing the string SUNDAY with [0:3], [::2] and [::-1], showing SUN, SNA and YADNUS.](/images/learn/clips/PY11-R2.webp)
Can you reverse a string without a loop?41 sec
What does * do to a string?42 sec
How do you check each letter of a word?37 sec![Code showing name[0] = S is a TypeError and "S" + name[1:] printing Savya.](/images/learn/clips/PY11-R5.webp)
Can you change one letter of a string?41 secDisclaimer. KwickAcademy is free study material for general learning and revision. Parts of it, including the voice-over, are produced with the help of AI tools and may contain errors; if you spot one, please tell us and we will correct it. Syllabus, marks and exam details follow the latest official board publications available to us, and boards can change them at any time, so always confirm against your board's official website and your school. Using this material does not guarantee any marks or result. Board names and trademarks belong to their owners; Kwickprep is not affiliated with or endorsed by any examination board. We never ask for passwords, OTPs or ID numbers. Your progress is saved only in this browser. Full disclaimer · Privacy