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Data Structures

What we just showed you was hash literal notation. We call it that because you literally describe what you want in the hash: you give it a name and you set it equal to one or more key => value pairs inside curly braces.

You can also create a hash using, like so:

my_hash =

Setting a variable equal to creates a new, empty hash; it’s the same as setting the variable equal to empty curly braces ({}).



Use to create a new hash called pets. Hash must be capitalized, or Ruby won’t know what you’re talking about!

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