
##The parameter weekday is True if it is a weekday, and the parameter
##vacation is True if we are on vacation. We sleep in if it is not a
##weekday or we're on vacation. Return True if we sleep in.

def sleep_in(weekday, vacation):
  if not weekday or vacation:
    return True
  else:
    return False
#Can be shortened to: return(not weekday or vacation)
