Circumference of Circle (2πr) Dry Run in PYTHON

Circumference of Circle (2πr) is an interactive PYTHON dry run visualizer from the Io 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.

Circumference of Circle (2πr) Program Code

# Circumference of Circle
PI = 3.14159
r = float(input("Enter radius: "))
circumference = 2 * PI * r
print(f"Circumference of Circle = {circumference:.2f}")

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