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The next step after greeting the world is greeting the programmer. However, before we get there we would like to create a variable. We created a variable called person and put the name of the programmer in it. We also say we assigned a value to a variable. For whatever reason most of the programmer are called Foo so we'll go with that name here too.

We then use puts to print out the content of the variable.

This will print Foo to the screen.

person = "Foo"
puts person