Filtering Tutorial
From Progzoo
Filtering
In these examples we select only some countries to print. A process that takes a list and selects only certain items is a "filter". Some get through, some don't.
You may need to review testing strings and numbers before you attempt these questions.
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[edit] Selecting a region.
Print the countries where the region is Europe.
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[edit] Picking the stans.
Print only those countries where the name ends with stan
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[edit] Countries with a z.
Print only those countries where the name contains the letter z
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[edit] Small countries (by area).
Print the countries that have an area of less than 100.
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