Modify the above program such that it will ask for 'Do you want to calculate again (y/n), if you say 'y', it'll again ask the parameters. If 'n', it'll exit.

修改上面的程序，在显示结果完成之后附加询问'Doyouwanttocalculateagain (y/n)，如果回答'y'，则要求重新输入参数，如果回答'n'，程序退出(Do while 循环)。

youdao

For example, if you enter a long trade and the prices continue to move up, then exit a portion, say 30%, of your position after prices reach a certain point.

例如，如果你开始了一个揸单，价格始终向上运动，然后到达一个特定位置后平仓一部分，可以是开仓金额的30%。

youdao

For example, if you enter a long trade and the prices continue to move up, then exit a portion, say 30%, of your position after prices reach a certain point.

例如，如果你开始了一个揸单，价格始终向上运动，然后到达一个特定位置后平仓一部分，可以是开仓金额的30%。

youdao