Validate Before Changing Private Data Dry Run in PYTHON

Validate Before Changing Private Data is an interactive PYTHON dry run visualizer from the Accessmodifiers 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.

Validate Before Changing Private Data Program Code

class Account:
    def __init__(self):
        self.__balance = 2000

    def set_balance(self, amount):
        if amount >= 0:
            self.__balance = amount
        else:
            print("Invalid balance")

    def get_balance(self):
        return self.__balance

acc = Account()
acc.set_balance(-500)
print(acc.get_balance())

View the complete Accessmodifiers programs page.