test a script
exec("import time\np=machine.Pin(25,machine.Pin.OUT)\nwhile 1:\n\tp.high()\n\ttime.sleep_ms(100)\n\tp.low()\n\ttime.sleep_ms(100)")
save it to main.py
>>> f = open("main.py","w") >>> f.write("import time\np=machine.Pin(25,machine.Pin.OUT)\nwhile 1:\n\tp.high()\n\ttime.sleep_ms(100)\n\tp.low()\n\ttime.sleep_ms(100)") 113 >>> f.close()
reboot