# Enter a code
n=0
s=0
while True:
n+=1
if n>1000:
break
if n%2==1:
continue
s+=n
print s
n=0
s=0
while True:
n+=1
if n>1000:
break
if n%2==1:
continue
s+=n
print s
2020-11-02
n=0
s=0
print n
while True:
if n>1000:
break
elif n%2==0:
s+=n
n+=1
print s
s=0
print n
while True:
if n>1000:
break
elif n%2==0:
s+=n
n+=1
print s
2020-11-02
i = 0
sum = 0
while True:
if i <= 1000:
sum += i
i += 2
else:
break
print(sum)
sum = 0
while True:
if i <= 1000:
sum += i
i += 2
else:
break
print(sum)
2020-10-29
本身set中的元素就不可以重复,S. update(L) print(S)出来的就是重复的是删除的,不重复的添加到了set中。L是list 删除元素是pop(),不能用rwmove
2020-10-28
L = [95.5, 85, 59, 66, 72]
L.sort(reverse = False)
print L[-3:]
L.sort(reverse = False)
print L[-3:]
2020-10-28
num = 1
sum = 1
while num <= 10:
sum = sum * num
num = num + 1
print(sum)
sum = 1
while num <= 10:
sum = sum * num
num = num + 1
print(sum)
2020-10-27
L = [1,2,3,4,5,6,7,8,9,10]
sum = 1
for x in L:
sum = sum * x
print(sum)
sum = 1
for x in L:
sum = sum * x
print(sum)
2020-10-27
s1 = set([1, 2, 3, 4, 5])
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
print(s1.isdisjoint(s2))
for item in s1:
if item in s2:
print(item)
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
print(s1.isdisjoint(s2))
for item in s1:
if item in s2:
print(item)
2020-10-26
# Enter a code
# coding=utf-8
L = [75, 92, 59, 68, 99]
sum=0.0
s=0
for n in L:
print('n的值为')
print(n)
sum=sum+n
s+=1
print('总数为')
print(sum)
print('个数为')
print(s)
aver=sum/s
print('平均数为')
print(aver)
# coding=utf-8
L = [75, 92, 59, 68, 99]
sum=0.0
s=0
for n in L:
print('n的值为')
print(n)
sum=sum+n
s+=1
print('总数为')
print(sum)
print('个数为')
print(s)
aver=sum/s
print('平均数为')
print(aver)
2020-10-24
c = 3.14
k = 1.57
result = c * k
print(round(result,2))
k = 1.57
result = c * k
print(round(result,2))
2020-10-22
t = (0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9)
l = list(t)
print(l)
l = list(t)
print(l)
2020-10-20
# coding=utf-8
def sub_sum(l):
count = 0
s1 = 0
s2 = 0
for i in l:
if count%2==0:
s1+=i
count+=1
else:
s2+=i
count+=1
return s1,s2
l = [1,2,3,4,5]
s1,s2 = sub_sum(l)
print(s1,s2)
def sub_sum(l):
count = 0
s1 = 0
s2 = 0
for i in l:
if count%2==0:
s1+=i
count+=1
else:
s2+=i
count+=1
return s1,s2
l = [1,2,3,4,5]
s1,s2 = sub_sum(l)
print(s1,s2)
2020-10-19