How to use system variables in python?
138439
In Python, how can I detect whether the computer is on battery power?
6820
Where to declare environment variables?
57604
Set variable conditionally on command line
30594
Python: How to save the output of os.system
40229
How do I check if a variable exists?
135206
Can I use the variable name "type" as function argument in Python?
126864
How to export variable for use with sudo?
3903
How do I set environment variables?
23015
How to name variables on the fly?
98912
Access variables set inside command substitutions
77008
Issue with 'StringVar' in Python Program
124154
What exactly is an environment variable?
10471
How do I add environment variables?
22578
How do I set an environment variable on the command line and have it appear in commands?
32673
How to determine a Python variable's type?
119619
Injecting variables into an import namespace
12738
Correct Use Of Global Variables In Python 3