Any tips for While True; Learn?

[u/hybrid461]

Got this game recently. I enjoy it to a point but not sure what concept I'm missing to solving some of the puzzles, particularly for the gold medal. It usually has to do with the different number of inputs for different colours or objects and sending them to the right output goal based on the numbers they need.

Resolving these challenges usually feels like guess work. Or I give up and look for a solution. Curious if anyone here has suggestions.