Create Solution2.py

Using built-in functions only

Author: ashwek

solution/0066.Plus One/Solution2.py

@@ -0,0 +1,8 @@
+class Solution:
+    def plusOne(self, digits):
+        """
+        :type digits: List[int]
+        :rtype: List[int]
+        """
+        
+        return list(map(int, str(int("".join(map(str, digits)))+1)))