No one here will re-write it for you (or at least they shouldn't).
Right now you're taking the user's input and counting down.
I suggest you start by first establishing a way to count up from (0) to a certain max value (10 for example).
Once you figure that out, adapt it to stop at the user's input value instead.
A suggestion, you may want to consider using a for loop instead of a while loop, they're better for this type of thing.
Fbody
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>>...i just a jump start a hint to make it work. and i only need to use while loop.
I gave you a hint. Here's another:
Don't use the decrement operator. Use the increment operator instead, then adjust your loop's control condition accordingly.
If you have to use a while loop, it's doable, just less convenient.
Fbody
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