Accumulate over a File with Multiple Variables
From Progzoo
Multiple Variables
In these examples we accumulate more than one value. We still only need one loop - we just do more work in each.
Average population
Calculate the average population size for the countries of the world.
Print the total population by the number of countries.
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Is 3 million the median?
Show the number of countries with a population more than 3000000
Show the number of countries with a population less than 3000000
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USA and the world
Show the GDP of "United States" as a percentage of the world GDP.
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