L = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
S = set([1, 3, 5, 7, 9, 11])
for a in L:
if a in S:
S.remove(a)
else:
S.add(a)
print(S)
S = set([1, 3, 5, 7, 9, 11])
for a in L:
if a in S:
S.remove(a)
else:
S.add(a)
print(S)
2024-09-19
a = 'python'
print('hello,', a or 'world')
b = ''
print('hello,', b or 'world') a = 'python'
print('hello,', a or 'world')
b = ''
print('hello,', b or 'world')
print('hello,', a or 'world')
b = ''
print('hello,', b or 'world') a = 'python'
print('hello,', a or 'world')
b = ''
print('hello,', b or 'world')
2024-08-28
直接这样一句话就可以了吧。
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
print(len(d))
d = {'Alice': [50, 61, 66], 'Bob': [80, 61, 66], 'Candy': [88, 75, 90]}
print(len(d))
2024-08-28