python pip install python-decouple python from decouple import config python value = config('KEY') KEY=VALUE DB_HOST=localhost DB_PORT=5432 DB_NAME=mydatabase DB_USER=myusername DB_PASSWORD=mypassword python from decouple import config python db_host = config('DB_HOST') db_port = config('DB_PORT') db_name = config('DB_NAME') db_user = config('DB_USER') db_password = config('DB_PASSWORD') python value = config('BOOL_VALUE', cast=bool) python value = config('INT_VALUE', cast=int) python value = config('FLOAT_VALUE', cast=float) python value = config('LIST_VALUE', cast=lambda v: v.split(','))