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Outline:1. Accessing element of a hash 2. Basic hash functions keys Returns keys of a hash values Returns values of a hash each Retrieve the next key/value pair from a hash 3.Looping over a hash
1. Accessing element of a hash 2. Basic hash functions keys Returns keys of a hash values Returns values of a hash each Retrieve the next key/value pair from a hash 3.Looping over a hash
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