Why tuples use parentheses ()'s instead of something else like <>'s?

[Rocco Moretti]

seberino at spawar.navy.mil wrote:

> Why tuples use parentheses ()'s instead of something else like <>'s?
 >
 > Please enlighten me as I really want to know.

So to summarize:

Commas define tuples, except when they don't, and parentheses are only 
required when they are necessary.

I hope that clears up any confusion.