L = []
for i in range(1,101):
L.append(i*i)
print sum(L)
for i in range(1,101):
L.append(i*i)
print sum(L)
2016-08-19
sum = 0
x = 1
n = 1
while True :
sum = sum + x
x = x * 2
n = n + 1
if n > 20
break
print sum
为什么这样不对
x = 1
n = 1
while True :
sum = sum + x
x = x * 2
n = n + 1
if n > 20
break
print sum
为什么这样不对
2016-08-19
sum = 0
x = 1
while x < 100 :
if x%2 != 0:
sum += x
x = x+1
print sum
x = 1
while x < 100 :
if x%2 != 0:
sum += x
x = x+1
print sum
2016-08-19
最新回答 / 云鹰
按照题目要求输出的是浮点数,这个是关键。sum没有问题,至于为什么验证不通过,这个主要是慕课网的验证处理逻辑问题,不用在意,知道原理即可。```<...code...>```上面的结果和答案是一模一样的,这就够了
2016-08-19
for x in ['1','2','3','4','5','6','7','8','9']:
for y in ['1','2','3','4','5','6','7','8','9' ]:
if x < y:
print x + y
for y in ['1','2','3','4','5','6','7','8','9' ]:
if x < y:
print x + y
2016-08-18
L = ['Adam',95.5 ,'Lisa', 85, 'Bart', 59]
print L
print L
2016-08-18
def firstCharUpper(s):
return s[0].upper()+s[1:]
print firstCharUpper('hello')
print firstCharUpper('sunday')
print firstCharUpper('september')
return s[0].upper()+s[1:]
print firstCharUpper('hello')
print firstCharUpper('sunday')
print firstCharUpper('september')
2016-08-18