"There isn't any errors!!!"

Then you are not running the code you posted here. Don't bother posting code here which you aren't actually running, it's a waste of our time. As roboticus pointed out previously:

"Try posting the code you actually run or don't gratuitously paste in a "use strict; use warnings;" at the beginning if you're not actually using them."

In reply to Re^3: While problem by marto
in thread While problem by pabla23

Title:
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and:  <code> code here </code>
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