fill in blanks (see screenshot)

a) Reading the contents of a text file is normally a repetitive process. Because of that we normally use |loop structures, such as and b) if we know how many lines a given file has we can use a If we do not know how many lines the text file contains, it is better to use a c) After reading all the data needed for the application, it is important to the file, so it does not get locked and other people cannot use that until you finish your program. d) Open, reading, and processing the contents of a text file can be a operation. Due to that it is always a good practice to have this process surrounded by the structure