os_getcwd = os.getcwd()

os_path_dirname = os.path.dirname(__file__)

print('os.getcwd: ', os_getcwd)

print('__file__: ', __file__)

print('os_path_dirname: ', os_path_dirname)

print('os.path.join("datumorphism", "main.py"): ', os.path.join("datumorphism", "main.py") )