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  1. import RPi.GPIO as GPIO
  2. import sys
  3.  
  4. ver = GPIO.VERSION
  5. print "We are running RPi.GPIO Version ", ver
  6.  
  7. GPIO.setmode(GPIO.BOARD)
  8.  
  9. for led in range(1,40):
  10. try:
  11. print "Setting ", led, " to output mode and output to GPIO.LOW."
  12. GPIO.setup(led, GPIO.OUT)
  13. GPIO.output(led, GPIO.LOW)
  14. except:
  15. print >> sys.stderr, "Didn't work for LED ", led
  16.  
Runtime error #stdin #stdout #stderr 0.04s 42064KB
stdin
Standard input is empty
stdout
Standard output is empty
stderr
Warning: cannot find your CPU L2 cache size in /proc/cpuinfo
Traceback (most recent call last):
  File "app_main.py", line 75, in run_toplevel
  File "prog.py", line 1, in <module>
    import RPi.GPIO as GPIO
ImportError: No module named RPi