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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def set_geometry(self, crect):
 """Set geometry for floating panels. Normally you don't need to override this method, you should override `geometry` instead. """

        x0, y0, width, height = self.geometry()

        if width is None:
            width = crect.width()
        if height is None:
            height = crect.height()

        # Calculate editor coordinates with their offsets
        offset = self.editor.contentOffset()
        x = self.editor.blockBoundingGeometry(self.editor.firstVisibleBlock())\
            .translated(offset.x(), offset.y()).left() \
            + self.editor.document().documentMargin() \
            + self.editor.panels.margin_size(Panel.Position.LEFT)
        y = crect.top() + self.editor.panels.margin_size(Panel.Position.TOP)

        self.setGeometry(QRect(x+x0, y+y0, width, height))