Task 1 (0.75 pt = 0.5 pt + 0.25 for declaring as method(s) and calling it/them in Main) Define a method suitable for saving information about a student to a text file. Student's data contains: name, id number (integer), student's group (text) and average of grades (fractional number). All data should be saved in a text file with filename provided as an argument of the method. File should be of the following format (exemplary data): Name : John ID : 123456 Group: BE1 Mean : 3,45

in C# language