move方法
move(count)
向上或向下移动系列。
def move(self, count):
...
范围 | 类型 | 描述 |
---|---|---|
count | int | 向上或向下移动的次数。 如果这小于零,则向上移动系列; 如果这大于零,则向下移动系列。 |
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