How to install python 3.9 on Debian 10

Python is one of the most popular programming languages that many Developers use around the globe. In this tutorial we will use a package manager called apt.

Installing Python 3.9 on Debian 10

1. Install the dependencies necessary to build Python:
   sudo apt update
sudo apt install build-essential zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev libssl-dev libsqlite3-dev libreadline-dev libffi-dev curl libbz2-dev

2. Download the latest release’s source code with wget:
   wget https://www.python.org/ftp/python/3.9.1/Python-3.9.1.tgz


3. When the download is complete, extract the zipped archive:
   tar -xf Python-3.9.1.tgz


4. Navigate to the Python source directory and execute the configure script:
   cd Python-3.9.1
./configure --enable-optimizations

5. That's basically it! To check what python version you have do:
   python3.9 --version

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