lab2-modificated
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@ -31,7 +31,8 @@ class _UniversityScreenState extends State<UniversityScreen> {
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final TextEditingController ageController = TextEditingController();
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List<String> selectedCourses = [];
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void _addStudent() {
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void _addStudent() async {
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await Future.delayed(Duration(seconds: 1));
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String name = nameController.text;
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int age = int.tryParse(ageController.text) ?? 0;
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