题解 | 数位之和
数位之和
https://www.nowcoder.com/practice/5e85cc26475449648e668aa98e92d05b
import math n=abs(int(input())) def sum_shuwei(n): flag=True sum=0 while flag: if n/10 < 1: sum+=n%10 flag=False else: sum+=n%10 n=n//10 return sum print(sum_shuwei(n))