from openpyxl import Workbook

from openpyxl.chart import (

    ScatterChart,

    Reference,

    Series,

)

wb = Workbook()

ws = wb.active

rows = [

    ['Size', 'Batch 1', 'Batch 2'],

    [2, 40, 30],

    [3, 40, 25],

    [4, 50, 30],

    [5, 30, 25],

    [6, 25, 35],

    [7, 20, 40],

]

for row in rows:

    ws.append(row)

chart = ScatterChart()

chart.title = "Scatter Chart"

chart.style = 13

chart.x_axis.title = 'Size'

chart.y_axis.title = 'Percentage'

xvalues = Reference(ws, min_col=1, min_row=2, max_row=7)

for i in range(2, 4):

    values = Reference(ws, min_col=i, min_row=1, max_row=7)

    series = Series(values, xvalues, title_from_data=True)

    chart.series.append(series)

ws.add_chart(chart, "A10")

wb.save("scatter.xlsx")