solves add digits in python

Author: anishLearnsToCode

README.md

@@ -78,7 +78,7 @@
 | 252 | 🔒 [Meeting Rooms](https://leetcode.com/problems/meeting-rooms) | Easy | |
 | 256 | 🔒 [Paint House](https://leetcode.com/problems/paint-house) | Easy | |
 | 257 | [Binary Tree Paths](https://leetcode.com/problems/binary-tree-paths) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](src/BinaryTreePaths.java) [![Python](https://img.icons8.com/color/35/000000/python.png)](python/binary_tree_paths.py) |
-| 258 | [Add Digits](https://leetcode.com/problems/add-digits) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](src/AddDigits.java) |
+| 258 | [Add Digits](https://leetcode.com/problems/add-digits) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](src/AddDigits.java) [![Python](https://img.icons8.com/color/35/000000/python.png)](python/add_digits.py) |
 | 263 | [Ugly Number](https://leetcode.com/problems/ugly-number) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](src/UglyNumber.java) |
 | 266 | [Palindrome Permutation](https://leetcode.com/problems/palindrome-permutation) | Easy | |
 | 268 | [Missing Number](https://leetcode.com/problems/missing-number) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](src/MissingNumber.java) |

python/add_digits.py

@@ -0,0 +1,6 @@
+class Solution:
+    def addDigits(self, num: int) -> int:
+        number_str = str(num)
+        if len(number_str) == 1:
+            return num
+        return self.addDigits(sum(int(digit) for digit in number_str))