Python3.4+
import html
print(html.unescape('£682m'))
Python2.6-3.3
from html.parser import HTMLParser
h = HTMLParser()
print(h.unescape('£682m'))
import html
print(html.unescape('£682m'))
from html.parser import HTMLParser
h = HTMLParser()
print(h.unescape('£682m'))