code: def crop_to_sheet(self,sheet_coord_system):
          "Crop the slice to the SheetCoordinateSystem's bounds."
          maxrow,maxcol = sheet_coord_system.shape
  
          self[0] = max(0,self[0])
          self[1] = min(maxrow,self[1])
          self[2] = max(0,self[2])
          self[3] = min(maxcol,self[3]f crop_to_sheet(self,sheet_coord_system):
          "Crop the slice to the SheetCoordinateSystem's bounds."
          maxrow,maxcol = sheet_coord_system.shape
  
          self[0] = max(0,self[0])
          self[1] = min(maxrow,self[1])
          self[2] = max(0,self[2])
          self[3] = min(maxcol,self[3])
docs: Crop the slice to the SheetCoordinateSystem's bounds.