Template for How-to Docs (State an Actionable Goal for the user)

Please describe the instructive goal you expect to achieve and preparation/prerequisites that involved.

Step 1 - Use second-person imperative to state the operation

Add detailed description when necessary.

Check previous user guides for cohesion in code sample  .
Aim for utility and simplicity when adding code/example  .

Step 2 - Use clear and concise words in title and steps

Use hyperlink to cite long references.

# Add comment(s) on code when needed
this is code  .

Step 3 -

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