Class Decorator (Tracking Calls count) Dry Run in PYTHON

Class Decorator (Tracking Calls count) is an interactive PYTHON dry run visualizer from the Advancedpython 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.

Class Decorator (Tracking Calls count) Program Code

class CallCounter:
    def __init__(self, func):
        self.func = func
        self.calls = 0
        
    def __call__(self, *args, **kwargs):
        self.calls += 1
        print(f"Call {self.calls} to {self.func.__name__}")
        return self.func(*args, **kwargs)

@CallCounter
def work():
    return "Working"

work()
work()

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