Python Module os: Difference between revisions
Jump to navigation
Jump to search
| Line 7: | Line 7: | ||
=Environment Variables= | =Environment Variables= | ||
To get an environment variable: | |||
<syntaxhighlight lang='python'> | <syntaxhighlight lang='python'> | ||
| Line 15: | Line 17: | ||
If the environment variable does not exist, the call will get <code>[[Python_Language#None|None]]</code> | If the environment variable does not exist, the call will get <code>[[Python_Language#None|None]]</code> | ||
To set an environment variable: | |||
<syntaxhighlight lang='python'> | |||
import os | |||
os.environ['MY_VAR'] = 'myvalue' | |||
</syntaxhighlight> | |||
If the environment variable does not exist, the call will get <code>[[Python_Language#None|None]]</code> | |||
=Working Directory= | =Working Directory= | ||
{{Internal|File_Operations_in_Python#Working_Directory|File Operations in Python | Working Directory}} | {{Internal|File_Operations_in_Python#Working_Directory|File Operations in Python | Working Directory}} | ||
Revision as of 04:26, 17 February 2022
External
Internal
Overview
Environment Variables
To get an environment variable:
import os
print(os.environ.get('HOME'))
If the environment variable does not exist, the call will get None
To set an environment variable:
import os
os.environ['MY_VAR'] = 'myvalue'
If the environment variable does not exist, the call will get None