初识Python_技术问答

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初识Python

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哥蕉香

python3.6.5中则为
L = [75, 92, 59, 68]
sum = 0.0
for x in L:
sum=sum+x

print (sum / 4)

0 5-4 Python之 for循环

2018-04-24

慕村1232395

print [int(str(m)+str(x)+str(m)) for m in range(1,10) for x in range(10)]

0 10-4 多层表达式

2018-04-24

福尔饺斯

s = set(['Adam', 'Lisa', 'Paul'])
L = ['Adam', 'Lisa', 'Bart', 'Paul']

for item in L:
if item in s:
s.remove(item)
else:
s.add(item)

print s

0 6-10 Python之更新set

2018-04-24

福尔饺斯

s = set(['Adam', 'Lisa', 'Bart', 'Paul'])

print 'adam'.title() in s
print 'bart'.title() in s

0 6-7 Python之访问set

2018-04-24

福尔饺斯

d = {
'Adam': 95,
'Lisa': 85,
'Bart': 59
}
print 'Adam:{}'.format(d['Adam'])
print 'Lisa:{}'.format(d['Lisa'])
print 'Bart:{}'.format(d['Bart'])

2 6-2 Python之访问dict

2018-04-24

福尔饺斯

x++ 居然报错 - -

0 5-5 Python之 while循环

2018-04-24

慕盖茨8272882

数学是硬伤

1 7-4 Python函数之返回多值

2018-04-24

merry艾瑞思

L = range(1, 101)

print L[:10]
print L[2::3]
print L[:50][4::5]

1 8-1 对list进行切片

2018-04-24

merry艾瑞思

def average(*args):
sum=0.0
if len(args)==0:
return sum
for y in args:
sum+=y
return sum*1.0/len(args)

print average()
print average(1, 2)
print average(1, 2, 2, 3, 4)

1 7-7 Python之定义可变参数

2018-04-24