Add key_of_min and key_of_max

snippets/key_of_max.md

@@ -0,0 +1,17 @@
+---
+title: key_of_max
+tags: dictionary,beginner
+---
+
+Finds the key of the maximum value in a dictionary.
+
+- Use `max()` with the `key` parameter set to `dict.get()` to find and return the key of the maximum value in the given dictionary.
+
+```py
+def key_of_max(d):
+  return max(d, key = d.get)
+```
+
+```py
+key_of_max({'a':4, 'b':0, 'c':13}) # c
+```

snippets/key_of_min.md

@@ -0,0 +1,17 @@
+---
+title: key_of_min
+tags: dictionary,beginner
+---
+
+Finds the key of the minimum value in a dictionary.
+
+- Use `min()` with the `key` parameter set to `dict.get()` to find and return the key of the minimum value in the given dictionary.
+
+```py
+def key_of_min(d):
+  return min(d, key = d.get)
+```
+
+```py
+key_of_min({'a':4, 'b':0, 'c':13}) # b
+```