Write a class Student with the following attributes (make sure the attributes are private using name mangling): name: Stringid : Integercourses: List of Stringsgrades: List of IntegersThe class must include the following operations: A constructor that receives as input the name and id. Getters for each attribute.add_course(course: String, grade: Integer) : Bool -- This operation adds the course name to the list of courses and the grade to the list of grades. The method must confirm before adding that the course is a String and the grade is an Integer, otherwise the operation won't be performed. The method must return True if the course and grades were added, False otherwise. __str__() -- Should return the following information "Student name: <name> -- Courses passed: <number of courses passed>". Courses passed means courses with a grade equal to 60 or larger. Check the testcase for details. pass_ratio(): Float -- Returns the pass ratio as a percentage of the courses passed with respect to the total of courses (the percent must the rounded to two numbers after the digits). Check the testcase for details. Note: 4 of 7 courses would be 4/7 = 0.57142857... which would be returned as 57.14courses_from_file(filename: String) -- Reads the courses names and grades from a text file and adds them to the corresponding lists. The file has one course-grade per line separated by a semicolon. You can assume the filename passed as parameter does exist (i.e. you do not have to check if the file exists).

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Write a class Student with the following attributes (make sure the attributes are private using name mangling): name: String id : Integer courses: List of Strings grades: List of Integers The class must include the following operations: A constructor that receives as input the name and id. Getters for each attribute. add_course(course: String, grade: Integer) : Bool -- This operation adds the course name to the list of courses and the grade to the list of grades. The method must confirm before adding that the course is a String and the grade is an Integer, otherwise the operation won't be performed. The method must return True if the course and grades were added, False otherwise. str() -- Should return the following information "Student name: -- Courses passed: ". Courses passed means courses with a grade equal to 60 or larger. Check the testcase for details. pass_ratio(): Float -- Returns the pass ratio as a percentage of the courses passed with respect to the total of courses (the percent must the rounded to two numbers after the digits). Check the testcase for details. Note: 4 of 7 courses would be 4/7 = 0.57142857... which would be returned as 57.14 courses_from_file(filename: String) -- Reads the courses names and grades from a text file and adds them to the corresponding lists. The file has one course-grade per line separated by a semicolon. You can assume the filename passed as parameter does exist (i.e. you do not have to check if the file exists).

Microsoft Visual C#

7th Edition

ISBN:9781337102100

Author:Joyce, Farrell.

Publisher:Joyce, Farrell.

Chapter9: Using Classes And Objects

Section: Chapter Questions

Problem 19RQ

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Question

Write a class Student with the following attributes (make sure the attributes are private using name mangling):

name: String
id : Integer
courses: List of Strings
grades: List of Integers

The class must include the following operations:

A constructor that receives as input the name and id.
Getters for each attribute.
add_course(course: String, grade: Integer) : Bool -- This operation adds the course name to the list of courses and the grade to the list of grades. The method must confirm before adding that the course is a String and the grade is an Integer, otherwise the operation won't be performed. The method must return True if the course and grades were added, False otherwise.
__str__() -- Should return the following information "Student name: <name> -- Courses passed: <number of courses passed>". Courses passed means courses with a grade equal to 60 or larger. Check the testcase for details.
pass_ratio(): Float -- Returns the pass ratio as a percentage of the courses passed with respect to the total of courses (the percent must the rounded to two numbers after the digits). Check the testcase for details. Note: 4 of 7 courses would be 4/7 = 0.57142857... which would be returned as 57.14
courses_from_file(filename: String) -- Reads the courses names and grades from a text file and adds them to the corresponding lists. The file has one course-grade per line separated by a semicolon. You can assume the filename passed as parameter does exist (i.e. you do not have to check if the file exists).

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