0
sumNum = 0
while sumNum < 20:
num = input("Introduza um numero: ")
sumNum = int(num[1]) + int(num[2]) + int(num[3])
print(sumNum)
似乎無法做到這一點上打印的數 此打印鷗以下錯誤的數字的總和: sumNum = INT(NUM [1] )+ INT(NUM [2])+ INT(NUM [3]) IndexError:字符串索引超出範圍不容爲此在一個字符串蟒總結數字
變化'sumNum = INT (num [1])+ int(num [2])+ int(num [3])'sumNum = sum([int(i)for i in num])' – eyllanesc
it wo謝謝你 –