Sorta?
In terms of power and handling it's a great beginner bike. It isn't a fire-breathing tire-eating beast, which makes it pretty forgiving of noob mistakes. At the same time, it is fairly capable.
As far as reliability goes...
These are very reliable bikes when they are in good repair and not fueled with donkey piss. What you need to keep in mind is that the newest one is going to be 42-44 years old. That means a lot of previous owners, and a lot of variability in how they treated the bike. Did they keep up on maintenance? Did they replace the bits affected by age? How was the bike stored? Who knows... Old bikes are old bikes.
If you get a 40+ year old machine you need to expect to have to do some work on it. This almost certainly isn't going to be a "hop on and ride" type of a situation. Also, keep in mind that a lot of shops don't like to work on old bikes like this.
That said, wrenching on it will teach you a few things about maintenance and repair and how bikes work. These bikes are pretty easy to work on and only require fairly basic tools. The only special tool I would call out is a good quality screwdriver set that includes JIS cross-head drivers.