【Method】
For the vertical axis (which is a value axis), use the **MinimumScale** and **MaximumScale** properties of the vertical axis object to set the minimum and maximum values for the value axis.
sht.api.Range(‘A1:B7’).Select() #Data
cht=sht.api.Shapes.AddChart().Chart #Add chart
axs=cht.Axes(1) #Horizontal axis
axs2=cht.Axes(2) #Vertical axis
axs.HasTitle=True #Horizontal axis has title
axs.AxisTitle.Caption=’X Axis Title’ #Title text
axs.AxisTitle.Font.Italic=True #Italic font
axs.AxisTitle.Font.Color=xw.utils.rgb_to_int((255,0,0)) #Red
axs2.HasTitle=True #Vertical axis has title
axs2.AxisTitle.Caption=’Y Axis Title’ #Title text
axs2.AxisTitle.Font.Bold=True #Bold font
axs2.MinimumScale=10
axs2.MaximumScale=200
【Example】

【Code】
#Axis - Value Axis Range
import xlwings as xw
import os
root = os.getcwd()
app = xw.App(visible=True, add_book=False)
wb=app.books.open(root+r'/P1P2.xlsx',read_only=False)
sht=wb.sheets(1)
sht.api.Range('A1:B7').Select() #Data
cht=sht.api.Shapes.AddChart().Chart #Add chart
axs=cht.Axes(1) #Horizontal axis
axs2=cht.Axes(2) #Vertical axis
axs.HasTitle=True #Horizontal axis has title
axs.AxisTitle.Caption='X Axis Title' #Title text
axs.AxisTitle.Font.Italic=True #Italic font
axs.AxisTitle.Font.Color=xw.utils.rgb_to_int((255,0,0)) #Red
axs2.HasTitle=True #Vertical axis has title
axs2.AxisTitle.Caption='Y Axis Title' #Title text
axs2.AxisTitle.Font.Bold=True #Bold font
axs2.MinimumScale=10
axs2.MaximumScale=200
#wb.save()
#wb.close()
#app.kill()

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