KwickClips Python · 45 sec · free
Why did append give a nested list?
Short answer. append adds the whole list as one item.
How do you add many items separately?
Use extend().
Remember
| list(): builds a list |
| append: one item at the end |
| extend: many items |
| insert: at an index |
Append two items, get a nested list. Why? List of range of two builds zero and one. Append adds five, six as one item. Extend adds items separately. List builds a list. Append adds one. Extend adds many. Insert adds at an index.
This clip is from the full lesson: List Methods and Built-in Functions — 7 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 (083), CBSE Class 11 Computer Science Essentials (083)
More KwickClips from this lesson
What is the difference between remove() and pop()?46 sec
Why does print(marks.sort()) show None?40 sec
How do you find an average without a loop?41 sec
Why did marks become None?41 secVoice-over is AI-generated; the script is written and checked by Kajal Ma'am. Confirm anything you plan around against your official board document. We never ask for a password or an OTP.

