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+_str_ + add_undergrad(name, email, gpa) Student + add_graduate(name, email, level) |- name : string |- id: string |- email: string + add_course(.) students + remove_student(name) : list + get_students(name, id, email) : list + get_courses(subject, number, title): list + reset id numbering() + get_standing(): string + enroll_student( id, subject, number) + enroll_to(Course) + enrollment_report(): dict str enrolled_to courses- Course UnderGrad Graduate |- subject: string - дра: Пloat - current_level: string - number: int + get_standing(): string + get_standing(): string - title: string str str

+_str_ + add_undergrad(name, email, gpa) Student + add_graduate(name, email, level) |- name : string |- id: string |- email: string + add_course(.) students + remove_student(name) : list + get_students(name, id, email) : list + get_courses(subject, number, title): list + reset id numbering() + get_standing(): string + enroll_student( id, subject, number) + enroll_to(Course) + enrollment_report(): dict str enrolled_to courses- Course UnderGrad Graduate |- subject: string - дра: Пloat - current_level: string - number: int + get_standing(): string + get_standing(): string - title: string str str

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Need help implenting the classes below in Python 3

Please take a close look at the UML diagram as well as the descriptions of the classes.

 

### Class Diagram for University Management System #### University - **Attributes:** - `name: string` - **Methods:** - `__str__()`: Returns a string representation. - `add_undergrad(name, email, gpa)`: Adds an undergraduate student. - `add_graduate(name, email, level)`: Adds a graduate student. - `add_course(...)`: Adds a course. - `remove_student(name): list`: Removes a student. - `get_students(name, id, email): list`: Retrieves a list of students by name, ID, or email. - `get_courses(subject, number, title): list`: Retrieves a list of courses. - `enroll_student(id, subject, number)`: Enrolls a student in a course. - `enrollment_report(): dict`: Generates an enrollment report. #### Course - **Attributes:** - `subject: string` - `number: int` - `title: string` - **Methods:** - `__str__()`: Returns a string representation. #### Student - **Attributes:** - `name: string` - `id: string` - `email: string` - **Methods:** - `reset_id_numbering()`: Resets the ID numbering system. - `get_standing(): string`: Returns the academic standing. - `enroll_to(Course)`: Enrolls the student in a course. - `__str__()`: Returns a string representation. #### UnderGrad (Inherits from Student) - **Attributes:** - `gpa: float` - **Methods:** - `get_standing(): string`: Returns the academic standing of an undergraduate student. - `__str__()`: Returns a string representation. #### Graduate (Inherits from Student) - **Attributes:** - `current_level: string` - **Methods:** - `get_standing(): string`: Returns the academic standing of a graduate student. - `__str__()`: Returns a string representation. ### Relationships: - **University** has a one-to-many relationship with **Courses** (denoted by 1 to * on the diagram). - **University** also has a one-to-many relationship with **Students**. - **Students** have a many-to-many relationship with **Courses
Transcribed Image Text:### Class Diagram for University Management System #### University - **Attributes:** - `name: string` - **Methods:** - `__str__()`: Returns a string representation. - `add_undergrad(name, email, gpa)`: Adds an undergraduate student. - `add_graduate(name, email, level)`: Adds a graduate student. - `add_course(...)`: Adds a course. - `remove_student(name): list`: Removes a student. - `get_students(name, id, email): list`: Retrieves a list of students by name, ID, or email. - `get_courses(subject, number, title): list`: Retrieves a list of courses. - `enroll_student(id, subject, number)`: Enrolls a student in a course. - `enrollment_report(): dict`: Generates an enrollment report. #### Course - **Attributes:** - `subject: string` - `number: int` - `title: string` - **Methods:** - `__str__()`: Returns a string representation. #### Student - **Attributes:** - `name: string` - `id: string` - `email: string` - **Methods:** - `reset_id_numbering()`: Resets the ID numbering system. - `get_standing(): string`: Returns the academic standing. - `enroll_to(Course)`: Enrolls the student in a course. - `__str__()`: Returns a string representation. #### UnderGrad (Inherits from Student) - **Attributes:** - `gpa: float` - **Methods:** - `get_standing(): string`: Returns the academic standing of an undergraduate student. - `__str__()`: Returns a string representation. #### Graduate (Inherits from Student) - **Attributes:** - `current_level: string` - **Methods:** - `get_standing(): string`: Returns the academic standing of a graduate student. - `__str__()`: Returns a string representation. ### Relationships: - **University** has a one-to-many relationship with **Courses** (denoted by 1 to * on the diagram). - **University** also has a one-to-many relationship with **Students**. - **Students** have a many-to-many relationship with **Courses
### Instance Attributes and Properties - **Protect the data to ensure encapsulation.** - **Implement properties for all instance attributes unless noted.** ### Student - Student is an abstract class that represents general students. *Implement it as guided on exercise 10.26 on page 428 in the textbook.* - Properties are read-only. - Email data should be validated in the form of "<any text>@ucdenver.edu", and should be all lowercase. - Add the constructor to initialize all data. - When a Student user is created, the ID should be generated automatically in sequence. The first student ID should be "000001" and increment by 1 once a new student object is created. - The `reset_id_numbering` class method should reset the numbering of the IDs, restarting to 1. - Students can be enrolled in one or more courses, or not enrolled at all. `enroll_to` receives a course object and adds it to the `enrolled_to` list. ### UnderGrad: - Undergraduate students. - **GPA should be between 0 and 4** - **Standing is "Undergraduate"** - **Add constructor to initialize all data properly** ### Graduate: - Graduate (master/phd) students - **Standing is "Master" or "PhD" depending on the current level.** - **Current level represents either "master" or "phd"** - **Add constructor to initialize all data properly**
Transcribed Image Text:### Instance Attributes and Properties - **Protect the data to ensure encapsulation.** - **Implement properties for all instance attributes unless noted.** ### Student - Student is an abstract class that represents general students. *Implement it as guided on exercise 10.26 on page 428 in the textbook.* - Properties are read-only. - Email data should be validated in the form of "<any text>@ucdenver.edu", and should be all lowercase. - Add the constructor to initialize all data. - When a Student user is created, the ID should be generated automatically in sequence. The first student ID should be "000001" and increment by 1 once a new student object is created. - The `reset_id_numbering` class method should reset the numbering of the IDs, restarting to 1. - Students can be enrolled in one or more courses, or not enrolled at all. `enroll_to` receives a course object and adds it to the `enrolled_to` list. ### UnderGrad: - Undergraduate students. - **GPA should be between 0 and 4** - **Standing is "Undergraduate"** - **Add constructor to initialize all data properly** ### Graduate: - Graduate (master/phd) students - **Standing is "Master" or "PhD" depending on the current level.** - **Current level represents either "master" or "phd"** - **Add constructor to initialize all data properly**
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