How to solve exercises

Construct an example on the functionality of the script, if that is not included in the problem description
Write very high-level pseudo code with words
Scan known examples for constructions and functionality that can come into use
Look up man pages, reference manuals, FAQs, or textbooks for functionality you have minor familiarity with, or to clarify syntax details
Search the Internet if the documentation from the latter point does not provide sufficient answers

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