Attributeerror: ‘list’ object attribute ‘append’ is read-only

We truly understand how frustrating it is to encounter errors like attributeerror: 'list' object attribute 'append' is read-only when we’re working on Python projects. But don’t worry, as in this article we will show you how to solve this error.

Before we begin our tutorial, have a quick overview of Python and AttributeError.

What is Python?

Python is one of the most popular programming languages. It is used for developing a wide range of applications. It is a high-level programming language that is usually used by developers nowadays due to its flexibility.

What is AttributeError?

An attributeerror is an error that appears in our Python codes when we try to access an attribute of a non-existent object. In addition, this occurs when we attempt to perform non-supported operations.

Now, let’s move on to our “how to fix this error” tutorial.

How to solve “’list’ object attribute ‘append’ is read-only” in Python

Here’s how to solve the Python error attributeerror: 'list' object attribute 'append' is read-only:

✮ Use the correct syntax.

To solve this error, you have to use the correct syntax, as you may be using an incorrect one.

Here’s an example of a code that has wrong syntax and will display this kind of error:

s_list = ["comedy", "horror", "drama", "fantasy"]
value = "thriller"
print(s_list)
s_list.append = value

Error:

Traceback (most recent call last):
File "C:\Users\path\path\path\sample.py", line 4, in
s_list.append = value
^^^^^^^^^^^^^
AttributeError: 'list' object attribute 'append' is read-only

Example code with the correct syntax:

s_list = ["comedy", "horror", "drama", "fantasy"]
value = "thriller"
s_list.append(value)
print(s_list)

Output:

['comedy', 'horror', 'drama', 'fantasy', 'thriller']

Conclusion

In conclusion, the Python error attributeerror: 'list' object attribute 'append' is read-only can be easily solved by using the correct syntax if you’re using an incorrect one.

By following the guide above, there’s no doubt that you’ll be able to resolve this error quickly and without a hassle.

I think that’s all for today, ITSOURCECODERS! We hope you’ve learned a lot from this. If you have any questions or suggestions, please leave a comment below, and for more attributeerror tutorials in Python, visit our website.

Thank you for reading!