In [45]:
?
a =[1,2,3,4,5,6,7,8,9,10]
b =set([1,3,5,7,9,11])
for j in a:
if j in b:
b.remove(j)
else:
b.add(j)
continue
print(b)
?
a =[1,2,3,4,5,6,7,8,9,10]
b =set([1,3,5,7,9,11])
for j in a:
if j in b:
b.remove(j)
else:
b.add(j)
continue
print(b)
2022-02-02
In [17]:
?
for i in q:
j = i.lower()
q.add(j)
print(q)
if j in q:
break
?
for i in q:
j = i.lower()
q.add(j)
print(q)
if j in q:
break
2022-02-02
列表合并函數 exterd
a =['Ab','Ac']
b =lower(a)
a.exterd(b)
print(a)
==>['Ab','Ac','ab','ac']
a =['Ab','Ac']
b =lower(a)
a.exterd(b)
print(a)
==>['Ab','Ac','ab','ac']
2022-02-01
T = ((1+2), ((1+2),), ('a'+'b'), (1, ), (1,2,3,4,5))
for i in T:
print(i)
for i in T:
print(i)
2022-01-26
其實這就是集合的差集運算,個人覺得下列代碼更為優雅
L = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
S = set([1, 3, 5, 7, 9, 11])
L2S = set(L)
res = L2S - S
print(res)
L = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
S = set([1, 3, 5, 7, 9, 11])
L2S = set(L)
res = L2S - S
print(res)
2022-01-24
# Enter a code
def square_of_sum(L):
result=0
for num in L:
result=result+num*num
return result
l=[1,2,3,4]
print(square_of_sum(l))
def square_of_sum(L):
result=0
for num in L:
result=result+num*num
return result
l=[1,2,3,4]
print(square_of_sum(l))
2022-01-20
# Enter a code
s1 = set([1, 2, 3, 4, 5])
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
print(s1.intersection(s2))
s1 = set([1, 2, 3, 4, 5])
s2 = set([1, 2, 3, 4, 5, 6, 7, 8, 9])
print(s1.intersection(s2))
2022-01-19
# Enter a code
L = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
S = set([1, 3, 5, 7, 9, 11])
for i in L:
if i in S:
S.remove(i)
print(S)
L = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
S = set([1, 3, 5, 7, 9, 11])
for i in L:
if i in S:
S.remove(i)
print(S)
2022-01-19
# coding=utf-8
s1=set()
s2=set()
names=['Jenny', 'Ellena', 'Alice', 'Candy', 'David', 'Hally', 'Bob', 'Isen', 'Karl']
for name in names:
s1.add(name)
names_set=set(s1)
print(s1)
s2.update(names)
print(s2)
s1=set()
s2=set()
names=['Jenny', 'Ellena', 'Alice', 'Candy', 'David', 'Hally', 'Bob', 'Isen', 'Karl']
for name in names:
s1.add(name)
names_set=set(s1)
print(s1)
s2.update(names)
print(s2)
2022-01-19
# Enter a code
names = ['Alice', 'Bob', 'Candy', 'David', 'Ellena']
name_set = set(names)
name_l='alice'.lower()
for name in name_set:
if name_l in name.lower():
print('true')
names = ['Alice', 'Bob', 'Candy', 'David', 'Ellena']
name_set = set(names)
name_l='alice'.lower()
for name in name_set:
if name_l in name.lower():
print('true')
2022-01-19
# Enter a code
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
num=0
for key in d.keys():
num=num+1
print(num)
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
num=0
for key in d.keys():
num=num+1
print(num)
2022-01-19
# Enter a code
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
for key,value in d.items():
for i in value:
print(key,i)
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
for key,value in d.items():
for i in value:
print(key,i)
2022-01-19
# Enter a code
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
for key in d:
value=d[key]
for i in value:
print(key,i)
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
for key in d:
value=d[key]
for i in value:
print(key,i)
2022-01-19