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Python:Filtering Tutorial

From Progzoo

World Factbook Tutorials
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.

http://www.python.org/doc/2.5.2/lib/string-methods.html includes a list of string methods.


Contents

Selecting a region.

Print the countries where the region is Europe.

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Picking the stans.

Print only those countries where the name ends with stan

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Countries with a z.

Print only those countries where the name contains the letter z

You can use contains for this.

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Small countries (by area).

Print the countries that have an area of less than 100.

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