class Solution:

    def plusOne(self, digits):

        digits[-1]=digits[-1]+1

        for i in range(len(digits)-1,0,-1):

            if digits[i]==10:

                 digits[i]=0

                 digits[i-1]=digits[i-1]+1

        if digits[0]==10:

            digits[0]=0

            digits.insert(0,1)

        return digits

class Solution:

    def plusOne(self, digits):

        for i in range(len(digits)):

            digits[i] = str(digits[i])

        nums=''.join(digits)

        nums=int(nums)+1

        nums=str(nums)

        list=[]

        for i in range(len(nums)):

            list.append(int(nums[i]))

        return list

class Solution:

    def plusOne(self, digits):

        '''

        :type digits: List[int]

        :rtype :List[int]

        '''

        d = int(''.join([str(i) for i in digits]))+1

        return [int(i) for i in str(d) ]