這個為什么是錯的？
sum = 0
x = 1
n = 1
while True:
? ? if n>20:
? ? ? ? break?
? ? ?sum = sum + x
? ? x = x * 2
? ? n = n+1
print sum
2 回答
舉報
0/150
提交
取消
sum = 0
x = 1
n = 1
while True:
? ? if n>20:
? ? ? ? break?
? ? ?sum = sum + x
? ? x = x * 2
? ? n = n+1
print sum
2019-06-24
舉報
2019-06-26
sum = sum +x 前面多了個空格
2019-06-24
sum = 0
x = 1
n = 1
while True:
? ? sum = sum + x
? ? x = x * 2
? ? n = n+1
? ? if n > 20:
? ? ? ? break
print sum