Question: Write a program that lights a green LED attached to pin 3 . The green LED should turn off after a button attached to pin

Write a program that lights a green LED attached
to pin 3. The green LED should turn off after a
button attached to pin4 has been pushed and
released 3 times. Each time the button is pushed
it will turn on a red LED attached to pin 7 and
turn off a yellow LED attached to pin 9. When
the button is not pushed the red LED will be off
and the yellow LED will turn on. Assume the
button is wired active low.

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