4. The Covid-19 Pandemic - a pandemic caused by the Coronavirus started in 2019 on our earth, Earth-111. The virus is very well known for its mutations and ability to spread. After the felling of TVA- Time Variance Authority, Covid was successful to spread throughout the multiverse to infect more hosts. Recently, you were informed about its existence in the universe of Hobbits - which started from the Shire city. To turn the entire Hobbits universe into a pandemic, it just needed to infect one significant individual and found Frodo Baggins - nephew of Bilbo Baggins. Because the virus can be transmitted from just one person to everyone else while a meetup - for example: during greeting each other, the virus has been spread to other parts of the Hobbits universe very quickly. The wizards of Hobbits himself have been infected and Thorin Oakenshield - the king of Dwarves - is looking for help from external universes. Since Earth-111 is the first to develop vaccines that have been proved to slow down the spread and minimize the effects significantly, Oakenshield is planning to import vaccines from our earth. Also considering the rate of spreading of the virus, Oakenshield has asked you to build a computer-based system to keep track of the infected individuals and their vaccine status as there might be a lack of human resources to do this task. Now, since you are learning Object Oriented Programming in Python, to test if you are eligible for the role, you are given the following driver code, and the class diagram to design the Covid, Vaccine, and Person class in Python so that the following expected output is generated. Covid +infect(): None Vaccine + brand: str + mechanism: str + doses: int + dose_gap: int + side effects: str + efficacy: float _init(): None str_0: str _call_0: None Person -name: str -infected: bool - vaccinated: bool - doses: [date_str] - vaccine: Vaccine init(): None str_0: str + accept_vaccine(): None + greet(): None Although the calendar of the Hobbits universe is similar to that of ours, there are slight changes. Unlike our months, every month (of 12) in the Hobbits universe has 31 days if it's an odd month otherwise 30 days so, they have a total of 366 days in every year - yes, there are no leaps or non-leap years. However, you do not have to worry about this as a global (lambda) function to convert a date (string) to days (integer) has been provided to you to use in classes to convert any date to a number of days.

4. The Covid-19 Pandemic - a pandemic caused by the Coronavirus started in 2019 on our earth, Earth-111. The virus is very well known for its mutations and ability to spread. After the felling of TVA- Time Variance Authority, Covid was successful to spread throughout the multiverse to infect more hosts. Recently, you were informed about its existence in the universe of Hobbits - which started from the Shire city. To turn the entire Hobbits universe into a pandemic, it just needed to infect one significant individual and found Frodo Baggins - nephew of Bilbo Baggins. Because the virus can be transmitted from just one person to everyone else while a meetup - for example: during greeting each other, the virus has been spread to other parts of the Hobbits universe very quickly. The wizards of Hobbits himself have been infected and Thorin Oakenshield - the king of Dwarves - is looking for help from external universes. Since Earth-111 is the first to develop vaccines that have been proved to slow down the spread and minimize the effects significantly, Oakenshield is planning to import vaccines from our earth. Also considering the rate of spreading of the virus, Oakenshield has asked you to build a computer-based system to keep track of the infected individuals and their vaccine status as there might be a lack of human resources to do this task. Now, since you are learning Object Oriented Programming in Python, to test if you are eligible for the role, you are given the following driver code, and the class diagram to design the Covid, Vaccine, and Person class in Python so that the following expected output is generated. Covid +infect(): None Vaccine + brand: str + mechanism: str + doses: int + dose_gap: int + side effects: str + efficacy: float _init(): None str_0: str _call_0: None Person -name: str -infected: bool - vaccinated: bool - doses: [date_str] - vaccine: Vaccine init(): None str_0: str + accept_vaccine(): None + greet(): None Although the calendar of the Hobbits universe is similar to that of ours, there are slight changes. Unlike our months, every month (of 12) in the Hobbits universe has 31 days if it's an odd month otherwise 30 days so, they have a total of 366 days in every year - yes, there are no leaps or non-leap years. However, you do not have to worry about this as a global (lambda) function to convert a date (string) to days (integer) has been provided to you to use in classes to convert any date to a number of days.

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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the question is in the first image and the driver code along with the output is on the other image. it would be helpful if the code is in easier term and no high level techniques and funtions are not used for solution

Transcribed Image Text:4. The Covid-19 Pandemic a pandemic caused by the Coronavirus- started in 2019 on our earth, Earth-111. The virus is very well known for its mutations and ability to spread. After the felling of TVA - Time Variance Authority, Covid was successful to spread throughout the multiverse to infect more hosts. Recently, you were informed about its existence in the universe of Hobbits which started from the Shire city. To turn the entire Hobbits universe into a pandemic, it just needed to infect one significant individual and found Frodo Baggins - nephew of Bilbo Baggins. Because the virus can be transmitted from just one person to everyone else while a meetup - for example: during greeting each other, the virus has been spread to other parts of the Hobbits universe very quickly. The wizards of Hobbits himself have been infected and Thorin Oakenshield - the king of Dwarves - is looking for help from external universes. Since Earth-111 is the first to develop vaccines that have been proved to slow down the spread and minimize the effects significantly, Oakenshield is planning to import vaccines from our earth. Also considering the rate of spreading of the virus, Oakenshield has asked you to build a computer-based system to keep track of the infected individuals and their vaccine status as there might be a lack of human resources to do this task. Now, since you are learning Object Oriented Programming in Python, to test if you are eligible for the role, you are given the following driver code, and the class diagram to design the Covid, Vaccine, and Person class in Python so that the following expected output is generated. Covid + infect(): None Vaccine + brand: str + mechanism: str + doses: int + dose_gap: int + side effects: str efficacy: float _init__(): None _str__(): str _call__(): None Person - name: str -infected: bool - vaccinated: bool - doses: [date_str] - vaccine: Vaccine _init__(): None _str__(): str + accept_vaccine(): None greet(): None Although the calendar of the Hobbits universe is similar to that of ours, there are slight changes. Unlike our months, every month (of 12) in the Hobbits universe has 31 days if it's an odd month otherwise 30 days so, they have a total of 366 days in every year - yes, there are no leaps or non-leap years. However, you do not have to worry about this as a global (lambda) function to convert a date (string) to days (integer) has been provided to you to use in classes to convert any date to a number of days.

Transcribed Image Text:Driver Code: days = lambda d: sum( [ 1 ( int (x) + (30 int (y)+ int (y) // 2) + 366. (2000+ int ( [-2:))) ) for x, y, z in [d.split("/")] pfizer = Vaccine ("Pfizer", "mRNA", 2, 21, "Allergies & Anaphylaxis", 0.95) moderna = Vaccine ("Moderna", "mRNA", 2, 28, "Facial Paralysis", 0.94) astra_zeneca = Vaccine ("Astra-Zeneca Oxford", "Adenovirus Viral vector", 2, 12, "Blood-clots, pulmonary embolism, etc", 0.7) frodo = Person ("Frodo") bilbo= Person ("Bilbo"). gandalf = Person ("Gandalf") gollum = Person ("Gollum") pfizer (frodo, "5/8/2022") Covid. infect (frodo) pfizer (frodo, "5/8/2022") pfizer (frodo, "10/8/2022") "26/8/2022") pfizer (frodo, pfizer (frodo, "26/8/2022") bilbo.infected = True print("Bilbo infected:", bilbo.infected) frodo greet (bilbo) print("Bilbo infected:", bilbo.infected) print ("Gandalf infected:", gandalf.infected) gandalf.greet (frodo, gollum) print (gandalf.infected, gollum. infected, frodo.infected) moderna (gollum, "27/8/22") pfizer (gollum, "20/9/22") moderna (gollum, "20/9/22") moderna (gollum, "29/9/22") print (pfizer) Output: Frodo is not infected. Frodo is vaccinated with 1 Pfizer dose (s). Dear Frodo, please come back after 16 days. Frodo is vaccinated with 2 Pfizer dose (s). Dear Frodo, your 2 doses for Pfizer has been completed. Virus key mismatched Bilbo infected: False Bilbo infected: True Gandalf infected: False True True True Gollum is vaccinated with 1 Moderna dose (s). Gollum is vaccinated with Moderna hence, cannot take Pfizer vaccine. Dear Gollum, please come back after 5 days. Gollum is vaccinated with 2 Moderna dose (s). Brand: Pfizer Mechanism: mRNA Doses: 2 Dose gap: 21 Side effects: Allergies & Anaphylaxis Efficacy: 95%

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