Storage issues of integer objects in Python

The storage locations of integer objects in Python are different. Some are always stored in a certain storage, while others open up space when used.

Say this For the reason of this sentence, you can look at the following code:

a = 5
b = 5
a is b # True

a = 500
b = 500
a is b # False

It can be seen from the above code that the integer type 5 always exists, but the integer type 500 does not always exist. Exists.

So which integers are always stored?

a, b, c = 0, 0, 0
while a is b:
i += 1
a, b = int(str(i)), int(str(i))
else:
print(i) # 打印 257

As we know from the above, it is less than or equal to 256 (2* *8) Non-negative integers are always stored.

a = -1
b = -1
a is b # False

And negative numbers are not always stored.

The above is the entire content of this article , I hope you all like it.

For more articles related to storage issues of integer objects in Python, please pay attention to the PHP Chinese website!