Let's learn how to say 'and' in Spanish: Y. Let's try that again: Y. All it is, is the letter Y.
For example, if you want to say 'I want a dog and a cat', you would say something like, "Quiero un perro y un gato." If you wanted to say something like 'I want to visit Mexico and Columbia', you would use the same word, that's 'y'; that's a Y. Let's try that. Quiero visitar Mexico y Columbia.
That's all it is when you want to say 'and', that's the letter Y and that's 'y'.