added YouTube link

Author: sahehb

mevislab.github.io/content/tutorials/basicmechanisms/macromodules/pythondebugger.md

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 # Example 5: Debugging Python files in MATE
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+{{< youtube "ccLDQUrlzjU">}}
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 ## Introduction
 MeVisLab provides the powerful integrated text editor MATE. By default, MATE is used to create/edit files like Python scripts. In this tutorial, we want to show you how to debug Python scripts in MeVisLab.