## build and install openssl
because python3.8 need openssl 1.1.1 
```bash
wget https://www.openssl.org/source/openssl-1.1.1u.tar.gz
tar -zxvf openssl-1.1.1u.tar.gz
cd openssl-1.1.1u
./config
make -j
sudo make install 
# find libssl path
sudo find / -name "libssl.so.1.1"

sudo echo "libssl path" > /etc/id.so.conf
sudo ldconfig
openssl version


```

## build and install python
```bash
sudo apt update
sudo apt install build-essential zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev libssl-dev libreadline-dev libffi-dev libsqlite3-dev wget libbz2-dev
wget https://www.python.org/ftp/python/3.8.9/Python-3.8.9.tgz
tar -xf Python-3.8.9.tgz
cd Python-3.8.9
./configure --enable-optimizations
make -j
sudo make install
```