python高阶1--is 和==

1、is比较的是引用是否指向同一对象

a = [11,22,33]
b = [11,22,33]

print(a is b)

执行之后的结果如下

2、==比较的是两个值是否一致

a = [11,22,33]
b = [11,22,33]
c = a

print(id(a))
print(id(b))
print(id(c))
print(a is b)
print(a == c)

执行结果如下