I write my scripts in python and run them with cmd by typing in:

C:\> python script.py

Some of my scripts contain separate algorithms and methods which are called based on a flag. Now I would like to pass the flag through cmd directly rather than having to go into the script and change the flag prior to run, I want something similar to:

C:\> python script.py -algorithm=2

I have read that people use sys.argv for almost similar purposes however reading the manuals and forums I couldn't understand how it works.

python cmd command-line-arguments
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