Write a function contact_event (visit_a, visit_b) to determine if two visits overlap in time and space, allowing for contact between two people to potentially occur. The parameters of this function are as follows: • visit_a • visit_b each of which is a 7-tuple formatted as described above. The function should return True if a contact could have occurred between two distinct people, and False otherwise. If one visit began at the exact time that the other visit ended, you may assume that a potential contact could not occur (ie, the function should return False). If either of the visits is not valid, the function should return None. Assumptions: You can assume that the input arguments are syntactically correct given the definitions and assumptions on the previous slides. Here are some example calls to the function:
Write a function contact_event (visit_a, visit_b) to determine if two visits overlap in time and space, allowing for contact between two people to potentially occur. The parameters of this function are as follows: • visit_a • visit_b each of which is a 7-tuple formatted as described above. The function should return True if a contact could have occurred between two distinct people, and False otherwise. If one visit began at the exact time that the other visit ended, you may assume that a potential contact could not occur (ie, the function should return False). If either of the visits is not valid, the function should return None. Assumptions: You can assume that the input arguments are syntactically correct given the definitions and assumptions on the previous slides. Here are some example calls to the function:
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
Problem 1PE
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