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hashes and databases

Associate a key with a value using a hash

Note the use of curly brackets here.
Start with an empty hash:

scores = {}
An empty hash is assigned to a
variable called “scores".

Scores

The values go here.
The keys go here.

You add data to an existing hash by describing the association between the key
and the value. Here’s how to associate a surfers’ name with their score:

Put the key inside the ...and put the value to the right of
square brackets... scores[8.45] = 'Joseph' the assignment operator.

Scores
Joseph
8.45 Note how the act of assigning a
value to a key CREATES the hash
A new row of data is added to entry (assuming it's not already
the hash. Note the association. there). In Python, there's no
explicit “append()" method for
hashes as there is for arrays.

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