23 lines
404 B
Markdown
23 lines
404 B
Markdown
---
|
|
title: keys_only
|
|
tags: dictionary,list,beginner
|
|
---
|
|
|
|
Returns a flat list of all the keys in a flat dictionary.
|
|
|
|
- Use `dict.keys()` to return the keys in the given dictionary.
|
|
- Return a `list()` of the previous result.
|
|
|
|
```py
|
|
def keys_only(flat_dict):
|
|
return list(flat_dict.keys())
|
|
```
|
|
|
|
```py
|
|
ages = {
|
|
"Peter": 10,
|
|
"Isabel": 11,
|
|
"Anna": 9,
|
|
}
|
|
keys_only(ages) # ['Peter', 'Isabel', 'Anna']
|
|
``` |