When i use the below code to loop over an array of objects , i get each value being added multiple times, how can i over come this , i get the proper data from the API call though and is saved properly to the array , but while trying to save to core data and looping over ojects , the values are repeated ...kindly suggest

struct MovieData: Codable {
    var poster_path: String?
    var title: String
    var release_date: String
    var id: Int
    var overview: String
}

struct MovieList: Codable {
    var page: Int
    let results: [MovieData]
}

 Button("Save") {
                    Task {
                        for result in viewModel.results {

                            let moviesFile = MovieContent(context: managedObjectContext)
                            moviesFile.title = result.title
                            moviesFile.poster_path = result.poster_path
                            moviesFile.release_date = result.release_date
                            moviesFile.id = Int32(result.id)
                            moviesFile.genre = "popular"
                            moviesFile.overview = result.overview
                            try managedObjectContext.save()

                        }

                    }