object is not subscriptable in python
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title: understanding "typeerror: 'type' object is not subscriptable" in python
introduction:
one common error that python developers encounter is the "typeerror: 'type' object is not subscriptable." this error occurs when you try to use square brackets ([]) to access an index or key of an object that is not designed to be subscripted. in this tutorial, we'll explore the reasons behind this error and provide examples to help you understand and avoid it in your python code.
understanding the error:
the error message "'type' object is not subscriptable" typically indicates that you are trying to use square brackets to access an element (index or key) of an object that doesn't support subscription. subscription refers to the act of using square brackets to access a specific element within a data structure, like a list, tuple, or dictionary.
examples of the error:
let's go through a few examples to illustrate when this error might occur:
example 1: trying to index a class instead of an instance.
example 2: using square brackets on a built-in type.
example 3: attempting to subscript a module.
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