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G ettinStarted witPython 93 They are added with the purpose of making the source code easier for humans to understand. They are used primarily to document the meaning and purpose of source code and its input and output requirements, so that we can remember later how it functions and how to use it. For large and complex software, it may require programmers to work in teams and sometimes, a program written by one programmer is required to be used or maintained by another programmer. In such situations, documentations in the form of comments are needed to understand the working of the program. In Python, a comment starts with # (hash sign). Everything following the # till the end of that line is treated as a comment and the interpreter simply ignores it while executing the statement. Example 5.1 #Variable amount is the total spending on #grocery In the context of Object amount = 3400 Oriented Programming #totalMarks is sum of marks in all the tests (OOP), objects are a #of Mathematics representation of the real totalMarks = test1 + test2 + finalTest world, such as employee, student, vehicle, box, book, etc. In any object Program 5-4 Write a Python program to find the sum of oriented programming two numbers. language like C++, JAVA, #Program 5-4 etc., each object has two #To find the sum of two numbers things associated with num1 = 10 it: (i) data or attributes and (ii) behaviour or num2 = 20 methods. Further there result = num1 + num2 are concepts of class and print(result) class hierarchies from which objects can be Output: instantiated. However, 30 OOP concepts are not in 5.6 E verything is an O bject the scope of our present discussions. Python treats every value or data item whether numeric, Python also comes under the category of object string, or other type (discussed in the next section) as oriented programming. an object in the sense that it can be assigned to some variable or can be passed to a function as an argument. However, in Python, the definition of object is Every object in Python is assigned a unique identity loosely casted as some (ID)whichremainsthesameforthelifetimeofthatobject. objects may not have This ID is akin to the memory address of the object. The attributes or others may not have methods. function id() returns the identity of an object. Reprint 2026-27