ForNow
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# Generators
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# Generators are very easy to implement, but a bit difficult to understand.
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# Generators are used to create iterators, but with a different approach. Generators are simple functions which return an iterable set of items, one at a time, in a special way.
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# When an iteration over a set of item starts using the for statement, the generator is run. Once the generator's function code reaches a "yield" statement, the generator yields its execution back to the for loop, returning a new value from the set. The generator function can generate as many values (possibly infinite) as it wants, yielding each one in its turn.
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# Here is a simple example of a generator function which returns 7 random integers:
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