how to change default python version in ubuntu
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Certainly! Changing the default Python version in Ubuntu involves updating the symbolic links that point to the desired Python version. Here's a step-by-step tutorial with code examples:
Before changing the default Python version, it's essential to know which versions are currently installed on your system. You can do this using the following command:
This will display a list of Python versions installed on your system.
If the desired Python version is not installed, you can use the package manager apt to install it. Replace X.Y with the desired version (e.g., 3.8, 3.9):
The update-alternatives command is used to manage symbolic links determining default commands. Use it to update the Python symbolic link:
Replace X.Y with the version you installed.
Now, you can choose the default Python version using the update-alternatives command:
You'll be presented with a list of installed Python versions. Enter the number corresponding to your desired version.
To verify that the default Python version has been changed, run:
This should display the version you selected as the default.
That's it! You've successfully changed the default Python version on your Ubuntu system. Remember to adjust the commands based on your specific Python version and system configuration.
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