Changing the boolean expression avoids the use of a continue statement.
This way the code becomes easier/faster to compute on lower level and it has a
better coding style.
* Added print function into matrix_multiplication_addition.py and removed blank space in data_structures/binary tree directory
* Removed .vs/ folder per #893
* Rename matrix_multiplication_addition.py to matrix_operation.py
* Added '~script.py' to ignore files and updated DIRECTORY.md