In [7]:
import requests
from bs4 import BeautifulSoup
import re

In [8]:
r = requests.get("http://pythonforengineers.com/pythonforengineersbook/")
data = r.text
soup = BeautifulSoup(data)

In [12]:
for link in soup.find_all('p'):
    search_found = re.findall("Price: \$[\d]*", link.text)
    if search_found:
        print search_found


[u'Price: $39']
[u'Price: $99']

In [22]: