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Python > Learn Python > What is sys.argv in python and how is it used?
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What is sys.argv in python and how is it used?

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sys: system; arg: argument; v: variable sys.argv is a list which contains the command line argument. How it is used: Lets assume you want to run a python program file saved with name kiran.py which adds two number input to it from the command line, in that case you can open the command prompt/anaconda...
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sys: system; arg: argument; v: variable sys.argv is a list which contains the command line argument. How it is used: Lets assume you want to run a python program file saved with name kiran.py which adds two number input to it from the command line, in that case you can open the command prompt/anaconda prompt, > python kiran.py 1 2 you will get 3 as the result >> 3 The code in kiran.py import sys print(sys.argv[1]+sys.argv[2]) Note --- here sys.argv will be ['kiran.py',1,2] i.e. first element is always filename/path read less
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