More detail in exercises, and solutions too

getting_started/file_management.ipynb

getting_started/file_management.md

...management/.solutions/compress_all_uncompressed_images.py

...file_management/.solutions/re_name_subject_directories.py

...arted/file_management/.solutions/re_name_subject_files.py

...rted/file_management/.solutions/re_organise_a_data_set.py

...tions/write_a_function_to_return_a_specific_image_file.py

..._management/.solutions/write_your_own_os_path_splitext.py