Files
30-seconds-of-code/snippets/keys_only.md
Angelos Chalaris 34df36a961 Update some snippets
2019-08-20 10:51:05 +03:00

23 lines
396 B
Markdown

---
title: keys_only
tags: object,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']
```