---
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']
```