reading email in loop.py

import imaplib, email
import time
import sys
#=========================================
user = 'xyzxxxaxbxzx123@gmail.com'
password = 'xxx@123456'
imap_url = 'imap.gmail.com'
#==========================================
#=============[Reading email here..]===============================>>
mail = imaplib.IMAP4_SSL(imap_url, 993)
mail.login(user, password)
num_of_mail = 0
#=======================================================================================================>
while True:
       #=======[Loader start here]=========>>
       #=======================================================================================>>>
       #if any email is not comming in bot email box then wait  infinite time....
       print("Waitting for website response...")
       #------------------------------------------------->
       # animation = ["10%", "20%", "30%", "40%", "50%", "60%", "70%", "80%", "90%", "100%"]
       animation = ["[■□□□□□□□□□]", "[■■□□□□□□□□]", "[■■■□□□□□□□]", "[■■■■□□□□□□]", "[■■■■■□□□□□]", "[■■■■■■□□□□]", "[■■■■■■■□□□]", "[■■■■■■■■□□]", "[■■■■■■■■■□]", "[■■■■■■■■■■]"]
       for i in range(len(animation)):
              time.sleep(0.2)
              sys.stdout.write("\r" + animation[i % len(animation)])
              sys.stdout.flush()
       print("\n")
       #======[loader end]=================================================>
       mail.select('INBOX')
       typ, data = mail.search(None, "UNSEEN")
       mail_ids = data[0]
       id_list = mail_ids.split()
       if len(id_list) > num_of_mail:
              # ================================================================================>>
              # 1st -> if any new comes than read that email store
              f = open("test_1.txt", "w")
              f.write("true")
              f.close()
              f = open("test_1.txt", "r")
              website_response = f.read()
              for i in reversed(id_list):
                     type, data = mail.fetch(i, '(RFC822)')

                     for response_part in data:
                            if isinstance(response_part, tuple):
                                   msg = email.message_from_string(response_part[1].decode('utf-8', errors='ignore'))
              num_of_mail = len(id_list)
              # ========[condition here]==========================================================================================>>
              if website_response == 'true':

                     #=====[Email reading here....]===========>>
                     # Function to get email content part i.e its body part 
                     def get_body(msg): 
                     if msg.is_multipart(): 
                            return get_body(msg.get_payload(0)) 
                     else: 
                            return msg.get_payload(None, True)
                     #===========================================================
                     #Function to search for a key value pair  
                     def search(key, value, con):
                            result, data = con.search(None, key, '"{}"'.format(value)) 
                            return data
                     #===========================================================
                     # this is done to make SSL connnection with GMAIL 
                     con = imaplib.IMAP4_SSL(imap_url)  
                     #===========================================================
                     # logging the user in 
                     con.login(user, password)  
                     #===========================================================
                     # calling function to check for email under this label 
                     con.select('Inbox')
                     #===========================================================
                     # fetching emails from this user "tu**h*****1@gmail.com" 
                     msgs = get_emails(search('FROM', 'MY_ANOTHER_GMAIL_ADDRESS', con)) 
                     #===========================================================
                     # Uncomment this to see what actually comes as data  
                     # print(msgs)
                     # Finding the required content from our msgs 
                     # User can make custom changes in this part to 
                     # fetch the required content he / she needs 
                     # printing them by the order they are displayed in your gmail  
                     for msg in msgs[::-1]:  
                     for sent in msg: 
                            if type(sent) is tuple:
                                   #===========================================================
                                   # encoding set as utf-8 
                                   content = str(sent[1], 'utf-8')  
                                   data = str(content) 
                            # Handling errors related to unicodenecode 
                            try:  
                                   indexstart = data.find("ltr") 
                                   data2 = data[indexstart + 5: len(data)] 
                                   indexend = data2.find("</div>") 
                                   #===========================================================
                                   # printtng the required content which we need 
                                   # to extract from our email i.e our body 
                                   print(data2[0: indexend]) 
                                   #===========================================================
                            except UnicodeEncodeError as e: 
                                   pass
                            #============================================================
                            f = open('mail_data_file.txt', 'w')
                            f.write(str(x))
                            f.close()