An Introduction to Python by Guido van Rossum and Fred L. Drake, Jr. Paperback (6"x9"), 124 pages ISBN 0954161769 RRP £12.95 ($19.95) Sales of this book support the Python Software Foundation! Get a printed copy>>>

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3.1 Using Python as a Calculator

Let's try some simple Python commands. Start the interpreter and wait for the primary prompt, ‘>>> ’. (It shouldn't take long.)