How do I correct style50 mistakes to my program?

Question

I keep getting green spaces after the correction is made

Answer 1

a green space means that you should insert spaces in that location.

Answer 2

in the terminal you need to run the test code style50 the name of the file further, in the terminal you can see what need to fix: if highlighted in green, so not enough space if \n highlighted in green, so need a newline if something is marked in red, then it is superfluous and should be removed edit all you need in your code. Then run the check again