体重测算题程序错误修改

Question

weight=input("请输入带单位符号的体重(如：58kg):")
up=0.5
for i in range(10):
   weight=eval(weight[0:-2])+up
moon=weight*0.165
print("未来十年你在地球上的体重是:{:.2f}kg,在月球上的体重是:{:.2f}.".format(weight,moon))

 

提示

Traceback (most recent call last):
  File "D:\python\程序调试题（weight）.py", line 4, in <module>
    weight=eval(weight[0:-2])+up
TypeError: 'float' object is not subscriptable

不知道要怎么修改

 

Answer 1

weight=input("请输入带单位符号的体重(如：58kg):")
up=0.5
weight=float(weight[0:-2])
for i in range(10):
   weight=weight+up
moon=weight*0.165
print("未来十年你在地球上的体重是:{:.2f}kg,在月球上的体重是:{:.2f}.".format(weight,moon))