KwickClips Python · 42 sec · free
Which dictionary method avoids a KeyError?
Short answer. get().
What does len() count in a dictionary?
The number of pairs.
Tools by job
| Read: get, keys, values, items |
| Add or change: update, setdefault |
| Delete: del, pop, popitem, clear |
Remember
| len() counts the pairs |
| get() avoids a KeyError |
Too many dictionary tools? Sort them by job. Sort by job. Get, keys, values and items read. Update and setdefault add or change. Del, pop, popitem and clear delete. Len counts the pairs. Get avoids a key error.
This clip is from the full lesson: Dictionaries: Key-Value Pairs, Methods and Programs — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 10 Artificial Intelligence (417), CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science Essentials (083)
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