异常：“无法将sequence乘以'float'类型的nonit”

Question

我试图编写非常简单的代码来计算文章的折扣。下面是代码，它在代码的第三行抛出异常。例外情况是：

Traceback (most recent call last):
  File "C:/Users/basam/AppData/Local/Programs/Python/Python35/discounts.py", line 3, in <module>
    discount=0.1*price
TypeError: can't multiply sequence by non-int of type 'float'

代码：

^{pr2}$

有人能告诉我问题出在哪里吗？在

Answer 1

更改为 discount=0.1*float(price)