which python3:
which: no python3 in ((null))

whereis python:
python: /usr/bin/python3.6m /usr/bin/python2.7 /usr/bin/python3.6 /usr/lib/python3.12 /usr/lib/python2.7 /usr/lib/python3.6 /usr/lib64/python3.12 /usr/lib64/python2.7 /usr/lib64/python3.6 /usr/include/python3.6m /usr/include/python3.12 /usr/include/python2.7 /usr/share/man/man1/python.1.gz

python3 -V:
Python 3.6.8

find python executables:
/usr/bin/python3