d = {
'Adam': 95,
'Lisa': 85,
'Bart': 59
}
print 'Adam:',d['Adam']
print 'Lisa:',d.get('Lisa')
print 'Bart:',d.get('Bart')
'Adam': 95,
'Lisa': 85,
'Bart': 59
}
print 'Adam:',d['Adam']
print 'Lisa:',d.get('Lisa')
print 'Bart:',d.get('Bart')
2017-01-09
for x in [1,2,3,4,5,6,7,8,9]:
for y in [1,2,3,4,5,6,7,8,9 ]:
if x<y:
print int(str(x)+str(y))
for y in [1,2,3,4,5,6,7,8,9 ]:
if x<y:
print int(str(x)+str(y))
2017-01-09
print [int(str(x)+str(y)+str(x)) for x in range(1,10) for y in range(0,10)]
2017-01-08
我猜老师是故意让写出 L[-4],目的是让大家检查运行结果会是什么样的,学习不只是知道正确的还要知道什么是不正确的。
2017-01-08
def greet(a='world'):
print 'Hello,'+str(a)+'.'
greet()
greet('Bart')
print 'Hello,'+str(a)+'.'
greet()
greet('Bart')
2017-01-08
最新回答 / 慕移动9181930
这能正常输出啊kyxbksdvzbnbsvxkwvjecqwianndulaqqsopolflchmevqceahdpeqbrixjxskewnobrtvbhmkkagecjcsgrpwczjpvmrtomaygjytendmcyqewzsdhskfttcbaayiyxwgyiybinvsaxifiefzfziyfamaecpvjskjgboeezghnhwae
2017-01-08
def move(n, a, b, c):
if n==1:
print str(a)+'-->'+str(c)
return
move(n-1,a,c,b)
move(1,a,b,c)
move(n-1,b,a,c)
move(4, 'A', 'B', 'C')
if n==1:
print str(a)+'-->'+str(c)
return
move(n-1,a,c,b)
move(1,a,b,c)
move(n-1,b,a,c)
move(4, 'A', 'B', 'C')
2017-01-08