Merge pull request #546 from rkkksss/0258

Addded 258 Add digits

Author: vJechsmayr

LeetCode/0258_Add_Digits.py

@@ -0,0 +1,5 @@
+class Solution:
+ def addDigits(self, num: int) -> int:
+ if num < 10: return num
+ if num % 9 == 0: return 9
+ return num % 9