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day 23 removing @3x.png

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for day 23 project, since using Filemanager method does not use app thinning that automatically delivers only the content each device is capable of showing, is it ok for me to only use @3x.png pictures in my project to accomodate for all Apple screen sizes and resolutions (non-retina)?

i used the below code to filter out.

for item in items{
            if item.description.hasSuffix("3x.png"){


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