初识Python_技术问答

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初识Python

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maxant

def square_of_sum(L):
sum = 0
for i in L:
sum += i*i
return sum

print square_of_sum([1, 2, 3, 4, 5])
print square_of_sum([-5, 0, 5, 15, 25])

0 7-3 Python之编写函数

2015-12-02

maxant

L = [i*i for i in range(1,101)]
print sum(L)

4 7-2 Python之调用函数

2015-12-02

第一个程序就出错了 ,

最新回答 / JayD

python3只有一种方法<...code...>

2 回答 448 浏览 2-3 第一个Python程序

2015-12-01

Bazingaga

t = ('a', 'b', 'A', 'B')
print t

0 4-9 Python之“可变”的tuple

2015-12-01

CadenH

sum = 0
x = 1
n = 1
while True:
sum += x
x *= 2
n += 1
if n == 21:
break
print sum
#if n ==21 这里第一次写成 if n =21 ，罪过罪过

0 5-6 Python之 break退出循环

2015-12-01

CadenH

sum = 0
x = 1
while x < 100:
sum += x
x += 2
print sum

0 5-5 Python之 while循环

2015-12-01

CadenH

L = [75, 92, 59, 68]
sum = 0.0
for item in L:
sum += item
print sum / 4

0 5-4 Python之 for循环

2015-12-01

Bazingaga

L = ['Adam', 'Lisa', 'Paul', 'Bart']
L.pop(2)
L.pop(2)
print L

0 4-5 Python从list删除元素

2015-12-01

Bazingaga

L = ['Adam', 'Lisa', 'Bart']
L.insert(2,'Paul')
print L

0 4-4 Python之添加新元素

2015-12-01

慕田峪5500259

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

0 7-3 Python之编写函数

2015-12-01

慕田峪5500259

x = 1
sum = 0
while x <= 100:
sum = sum + x * x
x = x + 1
print sum

1 7-2 Python之调用函数

2015-12-01

慕田峪5500259

x = 1

sum = 0

while x <= 100:

sum = sum + x * x

x = x + 1

print sum

0 7-2 Python之调用函数

2015-12-01