Python uses a private heap data structure to store its program variables data. Dynamic memory allocation is mostly a non-issue in Python. Python Memory Allocation. Method 1: Using Tracemalloc Tracemalloc is a library module that traces every memory block in python. The heterogeneous use-case (that in C, etc. Memory Allocation in C Whereas In python, an. Memory Manager inside the PVM allocates memory required for objects created in a Python . > Doesn't range(n) create a list n long? The first element is referencing the memory location 50. Python Memory Management - Javatpoint 5.2 illustrates its operation. Python Implementation Memory. Below is the first part of the code I wrote. Python Memory Issues: Tips and Tricks - DZone Performance privacy-policy | terms | Advertise | Contact us | About ps a neat alternative to this is to make lists as (value, pointer) pairs, where each pointer points to the next tuple. Python memory manager manages memory automatically but for efficient program execution and to improve the speed of execution software developers must know the memory management in python. In "case1" python memory manager will create the two objects. Answer (1 of 3): From the docs [1]: > Python's lists are really variable-length arrays, not Lisp-style linked lists. This makes indexing . Python Variable Assignment and Memory Location - The Hello World Program As I have mentioned, I don't know final length of the list, but It disassembles the Python bytecode. Refer this image When I define a list as above, I can see that for some elements, the addresses are exactly the same eg. Using Python, you put values in the jars and then you put a label, a variable, on the jar, so you can find your value later. The final node points to NULL. We first define a class to represent the memory. In the cpython listobject.c list_resize code, you can see that the memory for a list is allocated using the integer variable new_allocated : num_allocated_bytes = new_allocated * sizeof (PyObject *); items = (PyObject **)PyMem_Realloc (self->ob_item, num_allocated_bytes); new_allocated is calculated using this formula: When an object of size 10 is allocated, it is allocated from the 16-byte pool for objects 9-16 bytes in size.