From 195fcdef28c1877d76f282c61210de9d5b85e5f2 Mon Sep 17 00:00:00 2001
From: Isabelle Viktoria Maciohsek <maciv@hotmail.gr>
Date: Thu, 16 Apr 2020 19:17:13 +0300
Subject: [PATCH] Add find_keys

---
 snippets/find_keys.md | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 snippets/find_keys.md

diff --git a/snippets/find_keys.md b/snippets/find_keys.md
new file mode 100644
index 000000000..757c08d6a
--- /dev/null
+++ b/snippets/find_keys.md
@@ -0,0 +1,22 @@
+---
+title: find_keys
+tags: dictionary,intermediate
+---
+
+Returns all keys in the provided dictionary that have the given value.
+
+Use `dictionary.items()`, a generator and `list()` to return all keys that have a value equal to `val`.
+
+```py
+def find_keys(dict, val):
+  return list(key for key, value in dict.items() if value == val)
+```
+
+```py
+ages = {
+  "Peter": 10,
+  "Isabel": 11,
+  "Anna": 10,
+}
+find_keys(ages, 10) # [ "Peter", "Anna" ]
+```