Python Create Environment Variable
import os
os.environ['variable_name'] = 'variable_value'
Creepy Cardinal
import os
os.environ['variable_name'] = 'variable_value'>>> import sys
>>> print(sys.executable)
C:\path\to\python.exeTo add Python to the Windows Path, follow these steps:
1. Start the Run box and enter sysdm.cpl
2. In the System Properties window go to the Advanced tab and
click the Environment Variables button
3. In the System variable window, find the Path variable and
click Edit
4. Position your cursor at the end of the Variable value line
and add the path to the python.exe file, preceeded with
the semicolon character (;)app_path = os.path.join(root_path, 'other', 'dir', 'to', 'app')
os.environ["PATH"] += os.pathsep + app_path# to add specific key value to environment externally.
$ export SECRET_KEY='key_value'from decouple import config, Csv
ALLOWED_HOSTS = config('ALLOWED_HOSTS', cast=Csv())