就要上岸了的海豚很爱吃鸡腿

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题解 | #删除好友#

n1 = input().split() n2 = input().split() for i in n2: n1.remove(i) print(n1) 看了很多人写的，都默认要删除的人只有一个；如果要删除的人有多个，第二行这样写就不会有问题了

2023-01-24

0 216

题解 | #发送offer#

namelist = ['Allen', 'Tom'] for names in namelist: print("{}, you have passed our interview and will soon become a member of our company.".format(...

2023-01-24

0 234

题解 | #用where过滤空值练习#

select device_id, gender, age, university from user_profile where age is not null; 本题考查的是判断null值，age = ''; age >= 0; 什么的虽然能得到一样的结果，但是不是目的；is not nu...

2023-01-18

0 236