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30-seconds-of-code/snippets/keys_only.md
Isabelle Viktoria Maciohsek b3b60cd838 Update snippet titles
2022-02-13 14:18:08 +02:00

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---
title: Dictionary keys
tags: dictionary,list,beginner
firstSeen: 2018-04-01T23:56:31+03:00
lastUpdated: 2020-11-02T19:28:05+02:00
---
Creates 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']
```