A python hose system is basically any hose system, regardless of length, shop bought or DIY, as long as it a system that uses hose/s going to and from a drainage and tap in a separate room, and whether a pump is used or not really depends on how far the tank is from the sink/taps.
My link in previous page is just for ideas and inspiration, I have a similar python system but tweaked for my own needs and uses.
Just as long as the water going from tap to tank is not too hot or too cold, a degree or two cooler water is best imho and remember to add dechlorinated water for the volume of water replaced, not for the whole tank is best practice.
And yes, it can be fun just watching the water drain from tank to sink while you're sipping a cup of tea is nice, especially if you've experienced many, many buckets of water changes and knowing the back pain and time consuming procedures, especially if you have larger tanks