number_of_result = []
  step= []
  queuesize=[]
  for j in range(5,200,5): #here is my third value
   for i in range(300):  here is my x values
    ....
    number_of_result.append(len(result2))  #here is my y values
    step.append(i)  #here is my x values
    print(result2, len(result2))
   
   queuesize.append(j) 
  plt.plot(step,number_of_result,label='Tmax= %d'% Tmax)   
  plt.xlabel(" life time(s)")
  plt.ylabel("number of result")