Created probability_calculator.py

Created shape_calculator.py

Created time_calculator.py

Created budget_app.py

Created arithmetic_arranger.py

Created sudoku_solver.py

Added info about merge-sort algorithm

Created merge_sort_algorithm.py

Created tower_of_hanoi_recursive_solution.py

Added info about Tower of Hanoi

Renamed file

Created tower_of_hanoi_puzzle_iterative_solution.py

Added info about Shortest Path First

Created shortest_path_algorithm.py

Created password_generator.py