The only prerequisite for Python Scripting is dedication to learn, and interest in programming.
Next step is to learn Python basics and get them strong.
See others' scripts, try to automate small stuffs, think to minimize different tasks.
Python scripting is really fun and seeing things happen automatically is exhilarating.
Try to inculcate the habit of code reading and documentation and look to practice regularly.
Prerequisites are actually none what you need is dedication and willingness to learn.
