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Write a function called pe21 that takes two input arguments indicating the current time: hr for hours and min for minutes. The function checks whether the two inputs can in fact represent time according to the international format. That is, it needs to check that they are both positive integer scalars and hr is between 0 and 23 inclusive and min is between 0 and 59 inclusive. The function returns a logical value: true if the input arguments satisfy these rules and false otherwise.

Write a function called pe21 that takes two input arguments indicating the current time: hr for hours and min for minutes. The function checks whether the two inputs can in fact represent time according to the international format. That is, it needs to check that they are both positive integer scalars and hr is between 0 and 23 inclusive and min is between 0 and 59 inclusive. The function returns a logical value: true if the input arguments satisfy these rules and false otherwise.

Database System Concepts
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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Write a function called pe21 that takes two input arguments indicating the current time: hr for hours and min for minutes. The function checks whether the two inputs can in fact represent time according to the international format. That is, it needs to check that they are both positive integer scalars and hr is between 0 and 23 inclusive and min is between 0 and 59 inclusive. The function returns a logical value: true if the input arguments satisfy these rules and false otherwise.
Transcribed Image Text:Write a function called pe21 that takes two input arguments indicating the current time: hr for hours and min for minutes. The function checks whether the two inputs can in fact represent time according to the international format. That is, it needs to check that they are both positive integer scalars and hr is between 0 and 23 inclusive and min is between 0 and 59 inclusive. The function returns a logical value: true if the input arguments satisfy these rules and false otherwise.
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