how do i make text apear only once

[ScMc1943]

i am trying to make a simple program with numbers, but whenever i attempt to add a number, i know i have to make ONE new line, but is it possible to make it so that the value of the number variable can only appear onscreen once
that is what i need.
thanks!

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also! i need only one text to disapear. for example, if i printed it as 32, i would need 32 to be blocked, but then if i changed it to 47 then i would need 32 to be blocked but not 47. once i print 47, then i have to block IT to.

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i need other all of that ok?

Thanks!
-ScMc