35.9 PyBoard Format Flash

For the STM32:

import os, pyb
os.listdir()
os.umount('/flash')
flash = pyb.Flash(start=0)
os.VfsFat.mkfs(flash)
os.mount(flash, '/flash')
os.chdir('/flash')
os.listdir()

I would like to provide a label for the volume but so far I have not found any option to do so.

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