text: #define a function
  def flow_control(k):
  	
  	#define a string based on  the value of k
  	if(k==0):
  		s = "Variable k = %d equals 0." % k
  	
  	elif(k==1):
  		s = "Variable k = %d equals 1." % k
  	
  	else:
  		s = "Variable k = %d does noy equal 0 or 1." % k
  		
  	#print the variable
  	print(s)
  	
  # define a main 
  def main():
  	
  	#declare an integer
  	i=0
  	
  	# try flow_control for 0, 1, 2
  	flow_control(i)
  	i = 1
  	flow_control(i)
  	i=2
  	flow_control(i)
  	
  #run the program
  if __name__ == "__main__":
  	main()