import win32com.client as win32
outlook = win32.Dispatch('Outlook.Application')
mail = outlook.CreateItem(0)
mail.To = 'example@example.com'
mail.Subject = 'Insert Image'
tag
html_body = '<html><body><h2>Inserting Image</h2><img src="Path_to_Image_File"></body></html>'
mail.HTMLBody = html_body
mail.Send()