Python absolute path of file, dirname, join

Python absolute path of file, dirname, join

import os
print(__file__)
print(os.path.abspath(__file__))
print(os.path.dirname(__file__))
print(os.path.dirname(os.path.abspath(__file__)))
print(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
BASE_DIR = os.path.dirname(os.path.abspath(__file__))
print(os.path.join(BASE_DIR,"templates"))