如何检查在输入框里是否以$开头并且后面的数字是精确到小数点后两位如10.00
大学作业让做一个自动售货机BOT。。。具体要求如下
$10.00 remains to be paid. Enter coin or note: 10 Invalid coin or note. Try again.
$10.00 remains to be paid. Enter coin or note: 10.00 Invalid coin or note. Try again.
$10.00 remains to be paid. Enter coin or note: $10.00
You gave $10.00
Perfect! No change given.
Thank you, Craig.
See you next time.
大学作业让做一个自动售货机BOT。。。具体要求如下
$10.00 remains to be paid. Enter coin or note: 10 Invalid coin or note. Try again.
$10.00 remains to be paid. Enter coin or note: 10.00 Invalid coin or note. Try again.
$10.00 remains to be paid. Enter coin or note: $10.00
You gave $10.00
Perfect! No change given.
Thank you, Craig.
See you next time.
