Presentation对象没有属性add_slide?有好心人帮我一下

pptx
pptx.util Inches,Pt
pptx.enum.shapes MSO_SHAPE
pptx.dml.color RGBColor
pptx.chart.data CategoryChartData
pptx.enum.chart XL_CHART_TYPE
pptx.enum.chart XL_LEGEND_POSITION
prs = pptx.Presentation()
slide1 = prs.add_slide(prs.slide_layouts[])
slide1.shapes.title.text = slide1.shapes.placeholders[].text = slide2 = prs.add_slide(prs.slide_layouts[])
slide2.shapes.title.text = content = slide2.shapes.placeholders[].text_frame
content.add_paragraph().text = content.add_paragraph().text = content.add_paragraph().text = slide3 = prs.add_slide(prs.slide_layouts[])
slide3.shapes.title.text = table = slide3.shapes.add_table(,,Inches(),Inches(),Inches(),Inches()).table

table.cell().text = table.cell().text = table.cell().text = table.cell().text = data = [{:,:,:},
        {: , : , : },
        {: , : , : }]

i ():
    i>:
        table.cell(i,).text = (i+)
        table.cell(i,).text = data[i][]
        table.cell(i,).text = data[i][]
        table.cell(i,).text = (data[i][])
slide4 = prs.add_slide(prs.slide_layouts[])
slide4.shapes.title.text = shape1 = slide4.shapes.add_shape(MSO_SHAPE.RECTANGLE,Inches(),Inches(),Inches(),Inches())
fill = shape1.fill
fill.solid()
fill.fore_color.rgb = RGBColor(,,)
shape1.text_frame.add_paragraph().text = p1 = shape1.text_frame.add_paragraph()
p1.text = p1.font.size = Pt()
shape2 = slide4.shapes.add_shape(MSO_SHAPE.RECTANGLE,Inches(),Inches(),Inches(),Inches())
fill = shape2.fill
fill.solid()
fill.fore_color.rgb = RGBColor(,,)
shape2.text_frame.add_paragraph().text = p2 = shape2.text_frame.add_paragraph()
p2.text = p2.font.size = Pt()
shape3 = slide4.shapes.add_shape(MSO_SHAPE.RECTANGLE,Inches(),Inches(),Inches(),Inches())

fill = shape3.fill
fill.solid()
fill.fore_color.rgb = RGBColor(,,)
shape3.text_frame.add_paragraph().text = p3 = shape3.text_frame.add_paragraph()
p3.text  = p3.font.size = Pt()