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All global variables have been removed from the example scripts by introducing a main function with the same name as the file that is called from main. Consequently, all variables are local. This is to avoid any problems between global and local scope of variables.
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This command was run: autopep8 --select E101,W191 --in-place --recursive . It fixes only these two issues: - W191 indentation contains tabs - E101 indentation contains mixed spaces and tabs
