Introduction to Programming using Python 1st Edition

Published by Pearson
ISBN 10: 0132747189
ISBN 13: 978-0-13274-718-9

Chapter 6 - Functions - Section 6.6 Passing Arguments by Reference Values - Check Point - MyProgrammingLab - Page 182: 6.13


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Because all data are objects in Python, a variable for an object is actually a reference to the object. When you invoke a function with arguments, the reference value of each argument is passed to the parameter. This is referred to as pass-by-value in programming terminology. For simplicity, we say that the value of an argument is passed to a parameter when invoking a function. The value is actually a reference value to the object.
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