s1 = set([1, 2, 3, 4, 5])
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
s3=set()
for num in s1:
if num in s2:
s3.add(num)
for num in s2:
if num in s1:
s3.add(num)
print(s3)
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
s3=set()
for num in s1:
if num in s2:
s3.add(num)
for num in s2:
if num in s1:
s3.add(num)
print(s3)
2022-09-16
L = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
S = set([1, 3, 5, 7, 9, 11])
for num in L:
if num in S:
S.remove(num)
else:
S.add(num)
print(S)
S = set([1, 3, 5, 7, 9, 11])
for num in L:
if num in S:
S.remove(num)
else:
S.add(num)
print(S)
2022-09-16
names=[]
name_set=set(names)
new_names=['Jenny', 'Ellena', 'Alice', 'Candy', 'David', 'Hally', 'Bob', 'Isen', 'Karl']
for name in new_names:
name_set.add(name)
print(name_set)
name_set=set(names)
new_names=['Jenny', 'Ellena', 'Alice', 'Candy', 'David', 'Hally', 'Bob', 'Isen', 'Karl']
for name in new_names:
name_set.add(name)
print(name_set)
2022-09-16
d = {
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
for key in d:
print(d.get(key))
'Alice': 45,
'Bob': 60,
'Candy': 75,
'David': 86,
'Ellena': 49
}
for key in d:
print(d.get(key))
2022-09-14
L=[[1,2,3],[5,3,2],[7,3,2]]
for c in L:
l=c[0]
w=c[1]
h=c[2]
V=l*w*h
print(V)
for c in L:
l=c[0]
w=c[1]
h=c[2]
V=l*w*h
print(V)
2022-09-12
L=['Alice', 'Bob', 'Candy', 'David', 'Ellena']
L[0]='Ellena'
L[1]='Alice'
L[2]='Candy'
L[3]='David'
L[4]='Bob'
print(L)
L[0]='Ellena'
L[1]='Alice'
L[2]='Candy'
L[3]='David'
L[4]='Bob'
print(L)
2022-09-12
L = ['Alice', 'Bob', 'Candy', 'David', 'Ellena']
L.pop(2)
L.pop(2)
print(L)
L.pop(2)
L.pop(2)
print(L)
2022-09-12
names=['Alice', 'Bob', 'Candy', 'David', 'Ellena']
names.insert(5,'Gen')
names.append('Phonebe')
names.append('Zero')
print(names)
names.insert(5,'Gen')
names.append('Phonebe')
names.append('Zero')
print(names)
2022-09-12
L = ['Alice', 66, 'Bob', True, 'False', 100]
n=0
for a in L:
n=n+1
if n%2!=0:
print(a)
n=0
for a in L:
n=n+1
if n%2!=0:
print(a)
2022-09-11
s1='ABC'
s2='123'
s3='xyz'
for a in s1:
for b in s2:
for c in s3:
print(a+b+c)
s2='123'
s3='xyz'
for a in s1:
for b in s2:
for c in s3:
print(a+b+c)
2022-09-11
num=2
sum=0
while num<=1000:
sum=sum+num
num=num+2
continue
print(sum)
sum=0
while num<=1000:
sum=sum+num
num=num+2
continue
print(sum)
2022-09-10
>>> num=2
>>> sum=0
>>> while True:
... if num>1000:
... break
... sum=sum+num
... num=num+2
...
>>> print(sum)
250500
>>> sum=0
>>> while True:
... if num>1000:
... break
... sum=sum+num
... num=num+2
...
>>> print(sum)
250500
2022-09-10
>>> num=1
>>> sum=1
>>> while num<=10:
... sum=sum*num
... num=num+1
...
>>> print(sum)
3628800
>>> sum=1
>>> while num<=10:
... sum=sum*num
... num=num+1
...
>>> print(sum)
3628800
2022-09-10
最新回答 / qq_慕仙1244835
d.pop('Alice')是已經(jīng)對(duì)dict中的?'Alice'進(jìn)行刪除,而將刪除的結(jié)果賦值到alice_score,只是為了讓人清楚了解刪除key后所返回對(duì)應(yīng)的值
2022-09-07