Documentation update with better examples of objects reading and editing#350

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isHarryh wants to merge 3 commits intoK0lb3:masterfrom

Commits on Feb 21, 2026

docs: README - improve environment section, add tips for properly closing files
isHarryh
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docs: README - improve example section, use with statement as a best practice
isHarryh
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docs: README - improve objects section, add details for object modification
isHarryh
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