I have two questions about specific commands in python.

When I run my programs in DOS, right after the program is finished, DOS closes- how do I avoid that? is there a command that will keep the window open? a pause of sorts?

The second question is about while loops. I have a while loop imbedded within another while loop. When the inside while loop becomes false, it displays a message- but then continues with the outside loop- what can I do if I just want the program to end when the inside loop is false?

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