score = 75
if score>=60:
print 'your score is', score
print 'passed'
if score>=60:
print 'your score is', score
print 'passed'
2016-07-26
d = { 'Adam': 95, 'Lisa': 85, 'Bart': 59, 'Paul': 74 }
sum = 0.0
for x in d.itervalues():
sum = sum + x
arg = sum / len(d)
print arg
sum = 0.0
for x in d.itervalues():
sum = sum + x
arg = sum / len(d)
print arg
2016-07-26
已采纳回答 / TimeMachine丶
是这样的,你这个有两个问题:1、sum求和函数的参数是list,不信你试试sum(1,2,3),会报错。2、在定义函数的时候,遇到return就跳出定义(停止)。你先试试下面这个def square_of_sum(L): for name in L: return nameprint square_of_sum([1, 2, 3, 4, 5])print square_of_sum([-5, 0, 5, 15, 25])运行结果是: 1,-5。说明了for只循环了一次,遇到return...
2016-07-26
print[100*m+10*n+s for m in range(1,10) for n in range(0,10) for s in range(0,10) if m == s]
2016-07-26
def toUppers(L):
return [x.upper() for x in L if isinstance(x,str)]
print toUppers(['Hello', 'world', 101])
return [x.upper() for x in L if isinstance(x,str)]
print toUppers(['Hello', 'world', 101])
刚刚说错了,在PEP-263 Defining Python Source Code Encodings里面说道:
“Python will default to ASCII as standard encoding if no other encoding hints are given.”
所以应该是ASCII不支持中文输入法下的句号,解决方法就是在第一或第二行加注释:# -*- coding:utf-8 -*
“Python will default to ASCII as standard encoding if no other encoding hints are given.”
所以应该是ASCII不支持中文输入法下的句号,解决方法就是在第一或第二行加注释:# -*- coding:utf-8 -*
2016-07-26
L = ['Adam', 'Lisa', 'Bart', 'Paul']
N=1
for i in L:
print N,'-',i
N +=1
#迭代个大杰宝迭代
N=1
for i in L:
print N,'-',i
N +=1
#迭代个大杰宝迭代
已采纳回答 / 慕侠9625153
不是这样写的,默认参数是world 不是hello,应该这样写def greet(name='world'):print 'Hello'+','+name+'.' #这样没有传入的时候打印的是'hello,+name'name就是默认的参数,打印出来就是hello,world.greet()greet('Bart') #这是调用那个函数传入了一个参数,来替代默认参数,所以此时print的结果是 hello,Bart.希望能帮到你 我也刚学两天
2016-07-26
L=[]
for i in range(1,101):
L.append(i)
print L[6::7]
#萌新表示不服!!!!
for i in range(1,101):
L.append(i)
print L[6::7]
#萌新表示不服!!!!