I have a text file which looks like this :
(the text file exceeds 1000 lines, this is only a small part of it)
What I want to do is to find the first unused number( in this example it's 6) and let's say I want to print it in a text box.
The code I wrote for it, causes the program to freeze for maybe a half minute , so I hoped someone here could show me how they would solve this problem with
a less time consuming manner :)
Thanks on advance.
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