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Data Structures

Adding to a Hash

We can add to a hash two ways: if we created it using literal notation, we can simply add a new key-value pair directly between the curly braces. If we used Hash.new, we can add to the hash using bracket notation:

pets = Hash.new pets["Stevie"] = "cat" # Adds the key "Stevie" with the # value "cat" to the hash
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