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GradeSchool { private students: StudentGrades constructor() { this.students = new Map() } ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":2,"num_iterations":1,"num_loc":28,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2024-06-03T21:56:15.000Z","is_out_of_date":false,"language":"typescript","author":{"handle":"Nathaly222"},"exercise":{"title":"Δημοτικό Σχολείο","icon_url":"https://assets.exercism.org/exercises/grade-school.svg"},"track":{"title":"TypeScript","icon_url":"https://assets.exercism.org/tracks/typescript.svg","highlightjs_language":"typescript"},"links":{"public_url":"https://exercism.org/el/tracks/typescript/exercises/grade-school/solutions/Nathaly222","private_iterations_url":"https://exercism.org/el/tracks/typescript/exercises/grade-school/iterations"}},{"uuid":"738cc2d184ba470b882d011fe2780eba","snippet":"export class GradeSchool { private rosterList: Record = {}; roster(): Record { return JSON.parse(JSON.stringify(this.rosterList)); } add(name: string, grade: number): void { for (const students of Object.values(this.rosterList)) { const index = students.indexOf(name); ","num_views":0,"num_stars":0,"num_comments":0,"representation_num_published_solutions":2,"num_iterations":1,"num_loc":23,"iteration_status":"no_automated_feedback","published_iteration_head_tests_status":"passed","published_at":"2024-07-29T06:14:52.000Z","is_out_of_date":false,"language":"typescript","author":{"handle":"Oshimada"},"exercise":{"title":"Δημοτικό 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