Adding a New Variable to Only One Object Dry Run in PYTHON

Adding a New Variable to Only One Object is an interactive PYTHON dry run visualizer from the Oop Variables programs section. Study the source code, then use the execution controls to follow each step, variable update, highlighted line, and console output.

This page provides a browser-based dry run with source-code highlighting, auto-scroll, voice narration controls, and execution output for learning the program step by step.

Adding a New Variable to Only One Object Program Code

# A new instance variable can be added to one object
class Laptop:
    pass

l1 = Laptop()
l2 = Laptop()

l1.brand = "Dell"
l1.ram = "8 GB"
l2.brand = "HP"

print("l1 brand:", l1.brand)
print("l1 ram:", l1.ram)
print("l2 brand:", l2.brand)
print("Does l2 have ram?", hasattr(l2, "ram"))

View the complete Oop Variables programs page.