gistfile1.txt

#!/usr/bin/env python3
import requests
import re
from pyquery import PyQuery as pq

class Adtuple(tuple):
    def __str__(self):
        return "{} {}".format(self[1], self[0])


tree = pq("https://www.avito.ru/sankt-peterburg/tovary_dlya_kompyutera/komplektuyuschie/protsessory")
posts = tree("div.description")

def find_good(adlist):
    good_list = []
    for ad in adlist:
        #print(ad[0])
        if re.search("[iI][ \-]*[57][ \-][34][0-9]{3}", ad[0]):
        #if re.search("[Ii]ntel", ad[0]):
            good_list.append(ad)
    return good_list

ads = []
for post in posts:
    title = pq(post)('h3.title>a').text().strip()
    price = pq(post)('div.about').text().strip()
    ads.append(Adtuple((title, price)))

for good_ad in find_good(ads):
        print(good_ad)