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• I have made multiple CPP files for ease of understanding and debugging.

• I have also created "makefile" for executing all those files at once.

• On compiling and running "main.cpp", make command and the final executable files will get automatically executed.

• So, to start, just execute g++ main.cpp and ./a.out.

• It's better to complete all operations of normal mode and then switch to command mode.

• If some error message comes in status bar in command mode, it'll automatically be removed after the user enters any character.