Final answer:
To access the code editor in Scratch, Sarah needs to click on the Code tab at the bottom right of the screen.
Step-by-step explanation:
To access the code editor in Scratch, Sarah needs to click on the Code tab at the bottom right of the screen. This tab is represented by a puzzle piece icon. Once she clicks on it, the code editor will open up, allowing her to write and edit code for her Scratch projects.
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