Need help implenting the classes below in Python 3Please 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 ### 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 "@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**

Brief Introduction: We have to write a code in Python that will make sure that the gcd of numbers…

+_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)

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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Question

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

### 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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