def multiply_1_digit(self, digit, num):
        digit = int(digit)
        temp = [int(item) for item in num]

        carry = 0
        for ind in range(len(temp)):
            val = temp[ind]
            mul = val*digit+carry
            carry = mul/10
            mul = mul%10
            temp[ind] = mul

        if carry != 0:
            temp.append(carry)

        return temp
:param digit: String
dataset/ETHPy150Open algorhythms/LeetCode/042 Multiply Strings.py/Solution.multiply_1_digit