Run Python Scripts and Shebangs
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To run a Python script simply call python3 and then the path to the script you are trying to run
python3 script.py
python script.py
Shebangs
Shebangs allow you to run a script without calling python3.
Create your script and add the Shebang to the top. Start with !# and then the path to the Python interpreter. We use #!/usr/bin/env python3 in this example because it will use whatever the default is for the system.
shebang-example.py
#!/usr/bin/env python3
print('Hello World')
You then must change the permission for the script to make it executable. On Mac or Linux run the following chmod command.
sudo chmod +x shebang-example.py
Then to run the script simply type ./ with path to script
eli@osx ~ % ./shebang-example.py
Hello World
Windows
You should be able to run the script without anything in front of it. Windows may ask you what program you should use to open a .py file, and you should choose the Python interpreter.
shebang-example.py
If you do put a file path in front of the script name use backslash instead of forward slash.
.\shebang-example.py
VSCode
We will be running many of our labs within VSCode. Simply click the Run Arrow Triangle in the Upper Right Hand Side.
This button will be there as long as the Python Extension has been installed in VSCode.
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