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snippets/python/s/keys-only.md

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+---
+title: Dictionary keys
+type: snippet
+language: python
+tags: [dictionary,list]
+cover: succulent-5
+dateModified: 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']
+```