Tested it for all GPIOs that can be a DI. Works for all of them but not for GPIO34 ... GPIO39. They work as input but get not pulled up. Same with INPUT_PULLDOWN.

This is a project I did using an Arduino Uno. Every time the user pulls up to the bar, it adds "1" to the count. Use it to reach personal bests. Check out the instructables for video and hardware ...

[Michael Pick] has even outfitted his DIY pull-up station with an Arduino to keep track of his exercise while on lockdown. You may not like it, but this is what peak performance looks like.