How many SAS programmers -- does it take to change a light bulb?

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• How many SAS programmers -- does it take to change a light bulb?
  Zero. We have the housekeeping staff do it for us...
• How many SAS programmers -- does it take to change a light bulb?
  That depends; what color is the bulb...
• How many SAS programmers -- does it take to change a light bulb?
  This can not be computed. Changing light bulbs is a...
• How many SAS programmers -- does it take to change a light bulb?
  Well, it depends upon the platform on which one stands...
• How many SAS programmers -- does it take to change a light bulb?
  It can't be done yet. "Light bulb" is more than 8 characters...
• How many SAS programmers -- does it take to change a light bulb?
  They can't change light bulbs... Without light, they...
• How many SAS programmers -- does it take to change a light bulb?
  It all depends on whether they can read the manuals...
• How many SAS programmers -- does it take to change a light bulb?
  Actually none, if you are willing to close your eyes...
• How many SAS programmers -- does it take to change a light bulb?
  One, once the documentation for the procedure is found...