i bought new macbook air m4 but it shows it have 2 cycle count is it ok?

To make an analog

When you purchase a brand new car, the odometer does not usually register exactly zero. It typically shows a small number of miles (or kilometers), usually anywhere from 5 to 50 miles — sometimes even a bit more.

The full battery cycles (2 ) as you mentioned occurred because the Battery was Tested before you took possession of the computer

Yes, that is normal. I've seen one or two posts where people reported 5 charge cycles on their brand new laptop.