sum = 0
count = 1
while count < 100:
if count % 2 == 0:
sum = sum - count
else:
sum = sum + count
count += 1
print(sum)
作业01：求1-2+3-4+5...99的所有数的和
猜你喜欢
转载自www.cnblogs.com/elsa2007/p/10872555.html
今日推荐
周排行