在此插入代码

不知道怎么写个程序统计完成后的步数

if n == 1:
    print (a,'-->',c) # put 1 from a to c (by b)
else:
    move(n-1,a,c,b) # put n-1 from a to b by c
    print (a,'-->',c) #put n from a to c
    move(n-1,b,a,c) # put n-1 from b to c by a    
pass