s1 = set([1, 2, 3, 4, 5])
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
if s1.isdisjoint(s2)==False:
for x in s1:
if x in s2:
print(x)
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
if s1.isdisjoint(s2)==False:
for x in s1:
if x in s2:
print(x)
2021-04-12
num = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
number = set([1, 3, 5, 7, 9, 11])
for t1 in num:
if t1 in number:
number.remove(t1)
else:
number.add(t1)
print(number)
number = set([1, 3, 5, 7, 9, 11])
for t1 in num:
if t1 in number:
number.remove(t1)
else:
number.add(t1)
print(number)
2021-04-12
# coding=utf-8
names=['Jenny', 'Ellena', 'Alice', 'Candy', 'David', 'Hally', 'Bob', 'Isen', 'Karl']
s_1=set()
s_2=set()
for name in names:
s_1.add(name)
s_2.update(names)
print(s_1)
print(s_2)
names=['Jenny', 'Ellena', 'Alice', 'Candy', 'David', 'Hally', 'Bob', 'Isen', 'Karl']
s_1=set()
s_2=set()
for name in names:
s_1.add(name)
s_2.update(names)
print(s_1)
print(s_2)
2021-04-12
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
num=0
for name in d:
num=num+1
print(num)
num=0
for name in d:
num=num+1
print(num)
2021-04-11
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
for name in d:
print(name)
for score in d[name]:
print(score)
for name in d:
print(name)
for score in d[name]:
print(score)
2021-04-11
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
print(d.keys())
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
print(d.keys())
2021-04-11
L = [95.5, 85, 59, 66, 72]
L.sort()
print(L[-1:-4:-1])
L.sort()
print(L[-1:-4:-1])
2021-04-10
L = ['Alice', 66, 'Bob', True, 'False', 100]
print(L[1::2])
print(L[1::2])
2021-04-10
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
print(d.get('Alice'))
print(d.get('Bob'))
print(d.get('Candy'))
print(d.get('David'))
print(d.get('Ellena'))
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
print(d.get('Alice'))
print(d.get('Bob'))
print(d.get('Candy'))
print(d.get('David'))
print(d.get('Ellena'))
2021-04-10
最赞回答 / GrayspaceDragon
tuple 是不可变的 他是有针对性的，针对一般的数据类型，比如说 int string 但是他不针对列表，在某种意义上讲，tuple里面的list是不变的 变化的是list里面的值
2021-04-10
T = ((1+2), ((1+2),), ('a'+'b'), (1, ), (1,2,3,4,5))
((1+2),)
(1, )
(1,2,3,4,5)
一共4个
((1+2),)
(1, )
(1,2,3,4,5)
一共4个
2021-04-10