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Congratulations, you've now learned
how to accumulate lists and

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strings in addition to numbers.

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For a number, you usually
initialize the accumulator to zero.

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For a list,
you initialize it to an empty list.

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For a string, you initialize
the accumulator to an empty string.

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You can accumulate all
kinds of things now.

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I hope you're accumulating friends and
not enemies.

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So instead of an accumulation joke today,

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let me close with a little information
about Ann Arbor, Michigan.

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For our learners who are joining
us from around the world,

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Michigan is in the northern part of the
United States, in the Great Lakes region.

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In the winter, it gets very cold here and
in the western part of the state,

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they get lots of snow.

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The lake effect,
you might say it accumulates there.

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You see where I'm going with that.

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Ann Arbor, however,
we don't get so much accumulation.

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We don't get much snow here,
just the cold, and that's snow joke.

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See you next time.