Jul 23, 2025 · The TypeError: 'builtin_function_or_method' object is not subscribable is a common error encountered by Python developers when attempting to access an element of an object using the …

You can't write len[li] when len() is a built-in function to compute the length of an object.

Nov 2, 2022 · This article showed you why the TypeError: builtin_function_or_method object is not subscriptable occurs and how to fix it. Remember that you only need to use square brackets ([]) to …

Jul 1, 2024 · Python raises the error message ``'builtin_function_or_method' object is not subscriptable` when a function or method is followed by square brackets. Look out for square brackets right after …

Apr 9, 2025 · Python developers often encounter the TypeError: 'builtin_function_or_method' object is not subscriptable. This error occurs when trying to use square brackets on a built-in function or …

Sep 7, 2024 · Python‘s "builtins are not subscriptable" errors can be tricky to diagnose and fix. But with a deeper understanding of why these errors occur and how to troubleshoot them, you‘ll be able to …

To fix this error, use parentheses instead of the square bracket to access the built-in method or function in Python. Moreover, the brackets cannot be used to call a user-defined function whose solution is …

Sep 22, 2022 · It’s often easy to lose track of what and how to call functions and methods. And this often leads to a “builtin_function_or_method’ object is not subscriptable” error message.

Nov 13, 2025 · The error builtin_function_or_method object is not subscriptable occurs when you try to use square brackets [] on a built - in function or method. In PyTorch, this often happens when you …

Jan 27, 2026 · TypeError: ‘builtin function or_method‘ object is not subscriptable. Python is telling you that you tried to index a function or method object instead of the value it returns.