Question 196745 in Visual Studio Code Question posted in
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Visual Studio Code – How to execute python function in vsc terminal

def add(a,b):
    return a+b

I made python function at vsc and I want to execute that function in terminal like

add(2,3)

But if so there is an error like bash: syntax error near unexpected token `2,3′
I think the matter of path of terminal but I do not know what to do

I have tried something related to path of terminal but IDK what is matter

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2

Answers


  1. 0

    You need to save the file with the function, then run the function through the command line using python3 -c

    I created a file sample.py with your function

    def add(a,b):
    return a+b

    and I ran the following command from the command-line terminal.

    python3 -c 'from sample import add; print(add(2,3))'

    and the output was

    5

    Note that, I am using Linux, that’s why it is python3, for windows, you need to use python only.

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  2. 0

    If you want to run your function from the command line a lot, it may be cleanest to make it an executable script. On Linux:

    #!/usr/bin/python3 

from sys import argv


def add(a, b):
    return a + b


if __name__ == '__main__':
    print(add(int(argv[1]), int(argv[2])))

    Make sure the script is executable:

    chmod +x add.py

    Now you can run it from the terminal:

    ./add.py 2 3
5

    If you are going to make it more complex, I recommend checking out argparse. It’s more powerful than argv.

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