复制一份要多占几个格子
运行下面这段程序,它数的是"额外开了几个格子":
A = [17, 24, 15, 13, 23]
extra = 0
copy = []
for x in A:
copy.append(x)
extra += 1
print(extra)
运行下面这段程序,它数的是"额外开了几个格子":
A = [17, 24, 15, 13, 23]
extra = 0
copy = []
for x in A:
copy.append(x)
extra += 1
print(extra)
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