已采纳回答 / 七月_Miss
s = ("Python was started in 1989 by 'Guido'.\nPython is free and easy to learn.")
2016-12-10
本人理解,这个set是用tuple表示的,但tuple里面有三组链表,每组链表含有两个元素。所以,这个例题体现了对set,tuple,list,的应用和理解。
2016-12-09
sum=0
x=0
while x<100:
x=x+1
if x%2==0:
continue
sum=sum+x
print sum
x=0
while x<100:
x=x+1
if x%2==0:
continue
sum=sum+x
print sum
2016-12-09
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')
终于过了,艰难0.0
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')
终于过了,艰难0.0
2016-12-09
for x in [ 1,2,3,4,5,6,7,8,9 ]:
for y in [ 0,1,2,3,4,5,6,7,8,9]:
if x < y:
print x*10+y
print 前面加几个空格缩进就可以输出了,不然会一直报错
for y in [ 0,1,2,3,4,5,6,7,8,9]:
if x < y:
print x*10+y
print 前面加几个空格缩进就可以输出了,不然会一直报错
2016-12-09
print([x * 100 + y * 10 + z for x in range(1, 10) for y in range(0, 10) for z in range(1, 10) if x == z])
2016-12-09