why can't i get out of in vim code example

Example 1: exiting vim

Press Esc key: This is very important, because you must exit the edit mode first before typing the exit command(s). Next, you can type one of the following commands:
:q (yes, the colon is included in the command) – This will quit the editor
:q! – Quit Vim without saving the data file
:wq – Save the file and exit Vim
And then press the Enter key

Example 2: how to exit vim

#Press 'Esc' to change from Edit Mode to Command Mode
#Exit
:q
#Force quit without saving
:q!
#Save file and quit
:wq