import re
from urllib.request import urlopen


url = 'https://www.amazon.com.au/gp/rss/bestsellers/electronics'

html_code = urlopen(url)

code = html_code.read().decode('UTF-8')

html_code.close()

variables = re.findall('\<\div class\=\"\col search_price  responsive_secondrow\"\>\(.*?)\<\/\div\>\'',code)


print(variables)

"""
start_tag = '<title><![CDATA['
end_tag = ']]></title>'
starting_position = code.find(start_tag)
end_position = code.find(end_tag)
while starting_position != -1 and end_position != -1:
    print(code[starting_position + len(start_tag): end_position])
    starting_position = code.find(start_tag, end_position)
    end_position = code.find(end_tag, starting_position)
"""