初识Python_技术问答

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初识Python

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chihuen4383689

看到要倒序我就试了一下，结果不好意思85分你是第三名
L = [95.5,85,59]
print L[0]
print L[-3]
print L[-2]
print L[-1]

1 4-2 Python按照索引访问list

2016-11-10

蓝冰波

print r'''"To be, or not to be": that is the question.whether it's nobler in the mind to suffer.'''

又是大小写的问题。。。。

0 3-6 Python中raw字符串与多行字符串

2016-11-10

蓝冰波

s = 'python was started in 1989 by \"guido\".\npython is free and easy to learn.'
print s

完美通过。。。。

0 3-5 Python中定义字符串

2016-11-10

WIN10 Python 注册表损坏

最新回答 / ouer1994

不是很清楚,你去百度一下

1 回答 671 浏览 2-2 Windows上安装Python

2016-11-10

慕粉1473673993

是不是应该双引号哈

0 6-5 Python之遍历dict

2016-11-10

哈哈4352664

import math

def quadratic_equation(a, b, c):
d = b * b - 4 * a * c
x1 = (-1*b+math.sqrt(d))/(2*a)
x2 = (-1*b-math.sqrt(d))/(2*a)
return x1,x2
print quadratic_equation(2, 3, 0)
print quadratic_equation(1, -6, 5)

0 7-4 Python函数之返回多值

2016-11-10

哈哈4352664

def square_of_sum(L):
L1 = []
for x in L:
L1.append(x * x)
return sum(L1)
print square_of_sum([1, 2, 3, 4, 5])
print square_of_sum([-5, 0, 5, 15, 25])

1 7-3 Python之编写函数

2016-11-10