KwickClips Python · 40 sec · free
What does LIFO mean?
Short answer. Last In, First Out.
Which item can you take from a stack?
Only the top one.
Plates in, plates out
| Action | Stack | Top |
|---|---|---|
| Push red | red | red |
| Push blue | red, blue | blue |
| Pop | red | red |
Remember
| LIFO: Last In, First Out |
| Only the top is used |
Three plates stacked. Which one do you take first? The top one. Push red. Push blue on top. Pop takes blue, the last one in. Remember two things. A stack is Last In, First Out. You only use the top.
This clip is from the full lesson: Stack Implementation Using a List — 6 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 12 Computer Science (083)
More KwickClips from this lesson
Which list method pushes onto a stack?45 sec
What is underflow?39 sec
Why does undo remove the latest change?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