0
sumNum = 0
while sumNum < 20:
num = input("Introduza um numero: ")
sumNum = int(num[1]) + int(num[2]) + int(num[3])
print(sumNum)
似乎无法做到这一点上打印的数 此打印鸥以下错误的数字的总和: sumNum = INT(NUM [1] )+ INT(NUM [2])+ INT(NUM [3]) IndexError:字符串索引超出范围不容为此在一个字符串蟒总结数字
变化'sumNum = INT (num [1])+ int(num [2])+ int(num [3])'sumNum = sum([int(i)for i in num])' – eyllanesc
it wo谢谢你 –