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til/elixir/all-values-for-a-key-in-a-keyword-list.md

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# All Values For A Key In A Keyword List
A keyword list in Elixir can contain the same key multiple times.
```elixir
kwl = [a: 1, b: 2, a: 3, c: 4]
#=> [a: 1, b: 2, a: 3, c: 4]
```
The `get/2` function will only grab the value of the first occurrence.
```elixir
Keyword.get(kwl, :a)
#=> 1
```
You can use `get_values/2` to retrieve _all_ values associated with the key.
```elixir
Keyword.get_values(kwl, :a)
#=> [1, 3]
```