u_m2 = 1 u_m1 = 1 print ("1 : 1") print ("2 : 1") i = 0 while i < 18: u_m = u_m2+u_m1 u_m2 = u_m1 u_m1 = u_m print ("{0} : {1}".format(i+2,u_m)) i += 1
