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I am trying hard to install python 3.8, but using the command:

sudo apt-get install python3.8

I get the following error:

Reading package lists... Done
Building dependency tree
Reading state information... Done
python3.8 is already the newest version (3.8.10-0ubuntu1~20.04).
The following packages were automatically installed and are no longer required:
  accountsservice apport-symptoms distro-info-data gdisk gir1.2-glib-2.0 gir1.2-packagekitglib-1.0 iso-codes libaccountsservice0 libappstream4 libgirepository-1.0-1 libglib2.0-bin libgstreamer1.0-0 libmspack0
  libnetplan0 libpackagekit-glib2-18 libpython3-stdlib libstemmer0d libxmlsec1 libxmlsec1-openssl libxslt1.1 libyaml-0-2 packagekit packagekit-tools python-apt-common python3-minimal run-one squashfs-tools
  zerofree
Use 'sudo apt autoremove' to remove them.
E: Could not read response to hello message from hook [ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap --from-apt 2>/dev/null || true: Success
E: Could not read response to hello message from hook [ ! -f /usr/bin/snap ] || /usr/bin/snap advise-snap --from-apt 2>/dev/null || true: Success

How can I fix this?

muru
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Bruna Quintas
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    Please be aware that Ubuntu relies significantly on python and changing the python interpreter on your installed system can break the system. If you need a specific version, it's safer to do this in a VM – Nmath Jul 25 '21 at 21:29
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    Stop trying so hard. Your output suggests that you already succeeded: python3.8 is already the newest version (3.8.10-0ubuntu1~20.04). That's the correct version for Ubuntu 20.04, and should have already been installed (your system needs it) – user535733 Jul 25 '21 at 21:56

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