leetcode989

 1 class Solution:
 2     def addToArrayForm(self, A, K):
 3         i = len(A) - 1
 4         while i >= 0 and K > 0:
 5             A[i] += K
 6             K = A[i] // 10
 7             if A[i] >= 10:
 8                 A[i] %= 10
 9                 if i == 0:
10                     A = [0] + A
11                     i += 1
12             i -= 1
13         return A
14