print r'''"To be, or not to be":that is the question.
Whether it's nobler in the mind to suffer.'''
Whether it's nobler in the mind to suffer.'''
2016-07-28
python 3 以后要想在ide运行需写成
L = 'adam','lisa','bart'
print (L[0])
不使用[]
L = 'adam','lisa','bart'
print (L[0])
不使用[]
2016-07-28
L = ['Adam', 'Lisa', 'Bart']
L.insert(2,'Paul')
print L为什么提交就是不成功呢?
L.insert(2,'Paul')
print L为什么提交就是不成功呢?
2016-07-28
sum = 0
x = 1
n = 1
while True:
sum=sum+x
x=2*x
n=n+1
if n>20:
break
print sum
x = 1
n = 1
while True:
sum=sum+x
x=2*x
n=n+1
if n>20:
break
print sum
2016-07-28
sum = 0
x = 1
while x<=100:
if x%2!=0:
sum=sum+x
x=x+1
print sum
x = 1
while x<=100:
if x%2!=0:
sum=sum+x
x=x+1
print sum
2016-07-28
sum = 0
x = 1
while x<100:
x/2!= 0
x=x+1
sum=sum+x
print sum
x = 1
while x<100:
x/2!= 0
x=x+1
sum=sum+x
print sum
2016-07-28
sum = 0
x = 1
while x<100:
x/2!= 0
sum=sum+x
print sum
x = 1
while x<100:
x/2!= 0
sum=sum+x
print sum
2016-07-28
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