python outlook download attachment

import win32com.client #pip install pypiwin32 to work with windows operating sysytm
import datetime
import os

# To get today's date in 'day-month-year' format(01-12-2017).
dateToday=datetime.datetime.today()
FormatedDate=('{:02d}'.format(dateToday.day)+'-'+'{:02d}'.format(dateToday.month)+'-'+'{:04d}'.format(dateToday.year))

# Creating an object for the outlook application.
outlook = win32com.client.Dispatch("Outlook.Application").GetNamespace("MAPI")
# Creating an object to access Inbox of the outlook.
inbox=outlook.GetDefaultFolder(6)
# Creating an object to access items inside the inbox of outlook.
messages=inbox.Items

def save_attachments(subject,which_item,file_name):
    # To iterate through inbox emails using inbox.Items object.
    for message in messages:
        if (message.Subject == subject):
            body_content = message.body
            # Creating an object for the message.Attachments.
            attachment = message.Attachments
            # To check which item is selected among the attacments.
            print (message.Attachments.Item(which_item))
            # To iterate through email items using message.Attachments object.
            for attachment in message.Attachments:
                # To save the perticular attachment at the desired location in your hard disk.
                attachment.SaveAsFile(os.path.join("D:\Script\Monitoring",file_name))
                break