does python use pointers
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python is a high-level programming language that abstracts away many low-level details, including explicit manipulation of pointers. however, it's essential to understand that python still uses pointers under the hood, even though you don't interact with them directly as you would in languages like c or c++. in python, objects are managed using a system of references, and these references act as a form of indirect pointers.
let's explore how python handles pointers with some code examples:
in python, variables are references to objects rather than the objects themselves. when you create a variable and assign it a value, you are essentially creating a reference to an object.
the id() function in python returns the identity of an object, which is essentially its memory address. while you won't directly manipulate pointers, you can inspect the memory address of an object using id().
immutable objects, like integers and strings, cannot be changed after creation. when you perform operations that seem to modify them, you are creating new objects and updating the reference.
mutable objects, like lists, can be modified in place. this means that you are working with the same object and its reference remains constant.
function arguments in python are also references. when you pass an object to a function, you are passing its reference, not the object itself. this can lead to mutable objects being modified in the calling scope.
in conclusion, while python abstracts away direct manipulation of pointers, understanding how references work can help you write more efficient and effective code. python's memory management takes care of details like memory allocation and deallocation, making it a powerful and convenient language for many types of programming tasks.
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