To calculate the sum you need to declare a variable out of the for loop scope. so declare a variable say sum and after each input add price to sum.

计算你需要声明一个变量的循环范围的总和。所以声明一个变量表示和每个输入添加价格和后。

youdao

To calculate the sum you need to declare a variable out of the for loop scope. so declare a variable say sum and after each input add price to sum.

计算你需要声明一个变量的循环范围的总和。所以声明一个变量表示和每个输入添加价格和后。

youdao