class Circle:     """ A circle with a radius. """     def __init__(self, r: int) -> None:         """Create a circle with a radius r.         >>> c = Circle(10)         >>> c.radius         10         """

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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class Circle:
    """ A circle with a radius. """

    def __init__(self, r: int) -> None:
        """Create a circle with a radius r.

        >>> c = Circle(10)
        >>> c.radius
        10
        """

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