Use the below command to set 755 to folder and 644 to file recirsively

find . -type d -exec chmod 0755 {} \;

find . -type f -exec chmod 0644 {} \;

cPanel comes with Default version Python 2.7

If you want to install second version Python 3.4 on server using rpm and via Source

First install epel repository

yum install epel-release

yum install python34

To install PIP on python2.4

yum install python3-pip