左邊例子的代碼怎么在IDLE里面敲不出來結果？
L = [75, 98, 59, 81, 66, 43, 69, 85]
sum = 0.0
n = 0for x in L:
? ?sum = sum + x
? ?n = n + 1
print sum / n
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2018-02-04
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2018-02-04
Python要嚴格按照縮進，源代碼中第三行0和for聯在一起，相當于n = 0for,應改為下面可執行代碼：
L = [75, 98, 59, 81, 66, 43, 69, 85]
sum = 0.0
n = 0?
for x in L:
? ?sum = sum + x
? ?n = n + 1
print sum / n