The current implementation keeps an array of integer objects for all integers between -5 and 256, when you create an int in that range you actually just get back a reference to the existing object. Since java use one bit to mark … A single integer in Python 3.4 actually contains four pieces: ob_refcnt, a reference count that helps Python silently handle memory allocation and deallocation; ob_type, which encodes the type of the variable; ob_size, which specifies the size of the following data members; ob_digit, which contains the actual integer value that we expect the Python variable to represent. What that means is that the getsizeof() function doesn’t return the actual memory of the list and all the objects it contains, but only the memory of the list and the pointers to its objects. # Python program to print an array of bytes # representing an integer # input an integer number num = int (input ("Enter an integer number: ")) # finding the byte array x = num. Python bytes, bytearray Examples (memoryview) Use the bytes, bytearray and memoryview types. ... Python program that uses len, gets byte count # Create bytearray from some data. Byte in Java is represented by signed int in range (-128, 127), Byte Python is represented by unsigned int in range(0, 255). C - Data Types - Data types in c refer to an extensive system used for declaring variables or functions of different types. Introduction Return the integer represented by the given array of bytes. Syntax int.from_bytes(bytes, byteorder, *, signed=False) -> int Parameters So I nedd to convert the 8-bit byte in python to signed int to make comparison done. Solution-1. So we both improve memory size and reduce time required with bytearray over list. I suspect the behaviour of Python in this case is undefined. It just contains an 8-byte (on 64-bit versions of CPython) pointer to the actual int object. So it should be possible to change the value of 1. Here, in this example – we are using size "4 bytes", thus, we can convert an integer till 4 bytes.