How to use dc.rectangle

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dc.rectangle is a function used to draw rectangles, often used in the fields of data visualization and graphics drawing. Usage: First, you need to clarify the basic syntax and parameters of dc.rectangle. The basic syntax is "dc.rectangle(x1, y1, x2, y2, options)", where x1 and y1 are the coordinates of the upper left corner of the rectangle, x2 and y2 is the coordinate of the lower right corner of the rectangle, options is an optional parameter used to set the style and attributes of the rectangle.