答案:x = int(input('enter a number:')) sum = 0 while x != 0: sum += x % 10 x = x // 10 print("各位数字和是%d"%sum) #方法2 num = input('enter a number:') print(sum(map(int,num)))
#方法3 num = input('enter a number:')
sum = 0 for i in num: sum += int(i)
print(sum)