# Enter a code
num=1
result=0
while num<1001:
if num%2==1:
num+=1
continue
result+=num
num+=1
print(result)
num=1
result=0
while num<1001:
if num%2==1:
num+=1
continue
result+=num
num+=1
print(result)
2023-05-15
s1 = set([1, 2, 3, 4, 5])
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
if s1.isdisjoint(s2) == False:
print('有重复的元素,重复的元素是:')
for s1n in s1:
if s1n in s2:
print(s1n,end='') # end='' 输出不换行
else:
print('没有重复的元素')
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
if s1.isdisjoint(s2) == False:
print('有重复的元素,重复的元素是:')
for s1n in s1:
if s1n in s2:
print(s1n,end='') # end='' 输出不换行
else:
print('没有重复的元素')
2023-05-09
L = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
S = set([1, 3, 5, 7, 9, 11])
for l in L:
if l in S:
S.remove(l)
else:
S.add(l)
print(S)
S = set([1, 3, 5, 7, 9, 11])
for l in L:
if l in S:
S.remove(l)
else:
S.add(l)
print(S)
2023-05-09
names = ['Alice', 'Bob', 'Candy', 'David', 'Ellena']
name_set = set(names)
print(name_set)
print('请输入待检验名字:')
s=input()
for x in name_set:
if s.lower() in x.lower():
print('存在')
break
else:
print('不存在')
name_set = set(names)
print(name_set)
print('请输入待检验名字:')
s=input()
for x in name_set:
if s.lower() in x.lower():
print('存在')
break
else:
print('不存在')
2023-05-09
# coding=utf-8
L = [95.5, 85, 59, 66, 72]
# 从小到大排序
Score_L = sorted(L)
# 颠倒排序
Score_L.reverse()
# 打印前三名
print(Score_L[0:3])
L = [95.5, 85, 59, 66, 72]
# 从小到大排序
Score_L = sorted(L)
# 颠倒排序
Score_L.reverse()
# 打印前三名
print(Score_L[0:3])
2023-05-08
# Enter a code
L = ['Alice', 'Bob', 'Candy', 'David', 'Ellena']
L.pop(2)
L.pop(2)
print(L)
L = ['Alice', 'Bob', 'Candy', 'David', 'Ellena']
L.pop(2)
L.pop(2)
print(L)
2023-05-02
# Enter a code
names=['Alice', 'Bob', 'Candy', 'David', 'Ellena']
names.append('Phoebe')
names.append('Zero')
names.insert(5,'Gen')
print(names)
names=['Alice', 'Bob', 'Candy', 'David', 'Ellena']
names.append('Phoebe')
names.append('Zero')
names.insert(5,'Gen')
print(names)
2023-05-02
# Enter a code
L = [95.5, 85, 59, 66, 72]
L.sort()
print(L[-1],L[-2],L[-3])
L = [95.5, 85, 59, 66, 72]
L.sort()
print(L[-1],L[-2],L[-3])
2023-05-02
# Enter a code
L = [95.5, 85, 59, 66, 72]
num1=max(L)
L.remove(num1)
num2=max(L)
L.remove(num2)
num3=max(L)
print(num1,num2,num3)
L = [95.5, 85, 59, 66, 72]
num1=max(L)
L.remove(num1)
num2=max(L)
L.remove(num2)
num3=max(L)
print(num1,num2,num3)
2023-05-02