install system tool python 3 code example
Example 1: pip python3
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
Example 2: add python 3.9 to usr/bin
CXX="/usr/bin/g++" \
./configure --prefix=/usr \
--enable-shared \
--with-system-expat \
--with-system-ffi \
--with-ensurepip=yes &&
make