When comparing pygame vs Yae, the Slant community recommends pygame for most people. In the question“What are the best 2D game engines?” pygame is ranked 9th while Yae is ranked 93rd. The most important reason people chose pygame is:
Pygame uses Python as its scripting language. Python is widely considered one of the easiest languages to grasp even for beginners.
Specs
Ranked in these QuestionsQuestion Ranking
Pros

Pro Easy Python syntax
Pygame uses Python as its scripting language. Python is widely considered one of the easiest languages to grasp even for beginners.
Pro Very easy to understand
The API is very straightforward.
Pro Good canvas system
Pygame has a drawing system that allows the user to create and draw on an unlimited number of canvases.

Pro IDE
Ships with easy to use IDE created only for development in it

Pro Frequent updates
Updated weekly

Pro Cross-platform
Supports all major platforms
- Windows
- Mac
- Linux
- Android
- iOS

Pro Multiple languages support
Supports writing games in both Lua and JavaScript and for advanced users it´s plugin system also supports Java.
Cons
Con Very basic
Pretty much just a wrapper for SDL.
Con Messy documentation
The docs are messy, and some basic functions are infuriating to work out. There's even some places in the documentation where it's clearly wrong about how a method is called/what the arguments really do.

Con Deathly slow
Con Outdated
Pygame uses a really old version of SDL and is missing some of the features developed for SDL2.
Con Nonexistent community
No good forums, wiki, or other ways to reach other Pygame developers.
Con Hasn't been updated in years
Con Pygame is a language, not a game engine
Physics, AI, networking, and input are not supported.
Con Lone developer

Con In early development
Do not have as much features as other listed engines.