d = { 'Adam': 95, 'Lisa': 85, 'Bart': 59, 'Paul': 74 }sum = 0.0for k, v in d.iteritems():<...code...> sum = sum + v打印名字和分数 print k,':',v最后打印平均分print 'average', ':', sum / len(d)
def move(n, a, b, c):
if n == 1:
print a, '-->', c
else:
move(n-1, a, c, b)
move(1, a, b, c)
move(n-1, b, a, c)
move(4, 'A', 'B', 'C')
这个是正确的，上面的看了半天都搞晕了
#coding:utf-8
def move(n, a, b, c):
if n ==1:
print(a, '-->', c)
return
print (a,'-->',b)
move(n-1, a, b, c)
print (b,'-->',c)
move(4, 'A', 'B', 'C')
