When you run a Python program, the interpreter executes the code in a specific order. Here are the main steps involved:
Python first compiles your .py source code into bytecode. Bytecode is a lower-level set of instructions that are platform-independent. The bytecode is saved in .pyc files (or within __pycache__ directories in Python 3) so that it doesn't have to be recompiled each time you run the program (unless the source code changes).
The Python Virtual Machine (PVM) is a part of the Python interpreter. It loads and executes the bytecode instructions. The PVM is like a software-based CPU specifically for Python. It manages program execution, memory allocation, and other runtime tasks.
The PVM interprets the bytecode line by line. This means it reads each instruction and carries out its corresponding operation. The PVM abstracts away details about your underlying computer's architecture, allowing the same bytecode to be run across different platforms.
Execution Flow: First, length and width are assigned values. Then, the expression length * width is evaluated and stored in the variable area. Finally, the print() function displays the result. The PVM interprets each line in this order.