a,b = 1,2 print(a,b) >>1 2
a,b = [1,2]
print(a,b)
>>1 2
a,b = [1,2],[3,4] print(a,b)
>>[1,2] [3,4]
a = 1 b = 2 #一行代码互换 a, b = b,a
#列表查询
a = [1,2,6,9] print(a[0:3:-1]) #没有返回值,不报错
a,b = 1,2 print(a,b) >>1 2
a,b = [1,2]
print(a,b)
>>1 2
a,b = [1,2],[3,4] print(a,b)
>>[1,2] [3,4]
a = 1 b = 2 #一行代码互换 a, b = b,a
#列表查询
a = [1,2,6,9] print(a[0:3:-1]) #没有返回值,不报错