def average(*args):
if len(args) == 0:
return 0.0
else:
return sum(args)*1.0/len(args)
print average()
print average(1, 2)
print average(1, 2, 2, 3, 4)
if len(args) == 0:
return 0.0
else:
return sum(args)*1.0/len(args)
print average()
print average(1, 2)
print average(1, 2, 2, 3, 4)
2016-07-28
print r'''"To be, or not to be": that is the question.
Whether it's nobler in the mind to suffer.'''这个是正解
Whether it's nobler in the mind to suffer.'''这个是正解
2016-07-28
已采纳回答 / nemo_wang3687936
move(n-1,a,c,b) 以及move(n-1, b, a, c) 这些参数是要带入到你定义的def move这个函数中的。也就是说,在运行到move(n-1,a,c,b) 这一步时,你原来函数定义的n在这一步运算时是n-1,a还是a,c当做b的参数值,b当成c的参数值
2016-07-28
从实际需求出发,打印的是数字,而不是字符串
for x in range(10,100):
if(x/10 < x%((x/10)*10)):
print x
for x in range(10,100):
if(x/10 < x%((x/10)*10)):
print x
2016-07-28
for x in range(1,10):
for y in range(10):
if(x<y):
print x*10+y
else:
continue
for y in range(10):
if(x<y):
print x*10+y
else:
continue
2016-07-28
sum = 0
x = 0
n = 1
while True:
x = x + 1
if x > 100:
break
if x == 2*n:
n = n + 1
continue
sum = sum + x
print sum
x = 0
n = 1
while True:
x = x + 1
if x > 100:
break
if x == 2*n:
n = n + 1
continue
sum = sum + x
print sum
2016-07-28
sum = 0
x = 1
n = 1
while True:
sum = sum + x
x = 2**n
n = n + 1
if n > 20:
break
print sum
可以通过 两个2**n号代表2的n次方
x = 1
n = 1
while True:
sum = sum + x
x = 2**n
n = n + 1
if n > 20:
break
print sum
可以通过 两个2**n号代表2的n次方
2016-07-28
# Python3.5.2
print ('''静夜思\n\n床前明月光,\n疑是地上霜。\n举头望明月,\n低头思故乡。''')
print ('''静夜思\n\n床前明月光,\n疑是地上霜。\n举头望明月,\n低头思故乡。''')
2016-07-28
#Python 3.5版本
print (r'''"To be,or not to be":that is the question.
Whether it's nobler in the mind to suffer.''')
print (r'''"To be,or not to be":that is the question.
Whether it's nobler in the mind to suffer.''')
2016-07-28