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- Hi, this is Lesson Five.

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In this lesson, you'll
learn about using variables.

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I will start by explaining
why it is important

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to separate code from site
specific configuration.

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And next, you will learn

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about the different ways to use variables

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in playbooks as well as
the different locations

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where variables can be defined.

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Once you know how to work with variables,

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we'll investigate facts which
are discovered variables

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that contain information
about different parts

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of your system.

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You'll next learn about the different ways

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how variables can be written.

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Next, I will give you an
overview of magic variables.

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The system variables
that exist as a default,

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and you' learn about the register,

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an awesome way to write the result

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of a command or model into a variable.

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In the last video, before
the end of Lesson Lab,

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you'll learn how to encrypt
variables containing

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sensitive information using Ansible Vault.