How to install python3.8 on Ubuntu 21.04?

cn flag

I'm trying to install python3.8 on Ubuntu.
I tried a lot of command, but none of them works. I'm trying this:

sudo apt-get install libreadline-gplv2-dev libncursesw5-dev libssl-dev \
libsqlite3-dev tk-dev libgdbm-dev libc6-dev libbz2-dev libffi-dev zlib1g-dev`

to install the prerequisites, and I get this error:

Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Package libreadline-gplv2-dev is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'libreadline-gplv2-dev' has no installation candidate.

Can someone help me to install python3.8, please?

user535733 avatar
cn flag
The package `libreadline-gplv2-dev` was dropped from Ubuntu after 20.04. 20.04 also includes Py3.8 already; no additional install needed. Consider installing 20.04 in a LXD Container or a Virtual Machine.
CLAUDIX 29 avatar
cn flag
oh thank you, so if i use ubuntu 20.04 on a live usb, i've arleady pre-installed python3.8?
us flag
@CLAUDIX29 Yes, in 20.04 you would have python3.8 preinstalled, and you can also install python3.9 alongside that.

Post an answer

Most people don’t grasp that asking a lot of questions unlocks learning and improves interpersonal bonding. In Alison’s studies, for example, though people could accurately recall how many questions had been asked in their conversations, they didn’t intuit the link between questions and liking. Across four studies, in which participants were engaged in conversations themselves or read transcripts of others’ conversations, people tended not to realize that question asking would influence—or had influenced—the level of amity between the conversationalists.