Add digitize snippet

snippets/digitize.md

@@ -0,0 +1,17 @@
+---
+title: digitize
+tags: math,list,beginner
+---
+
+Converts a number to an array of digits.
+
+Use `map()` combined with `int` on the string representation of `n` and return a list from the result.
+
+```py
+def digitize(n):
+  return list(map(int, str(n)))
+```
+
+```py
+digitize(123) # [1, 2, 3]
+```