python-basics | Based on Google 's Python Class | Machine Learning library

List names = Arrays.asList("peter", "anna", "mike", "xenia");

Collections.sort(names, new Comparator() {
    @Override
    public int compare(String a, String b) {
        return b.compareTo(a);
    }
});


Collections.sort(names, (String a, String   

r'(?:id|ID)=(?P\d+)'


r'(id|ID)=(?P\d+)'


some fancy title


title = self._search_regex(
    r']+class="title"[^>]*>([^<]+)', webpage, 'title')


title = self._search_regex(
    r']+class=(["\'])title\1[^>]*>(?P[^<]+)  

def assert_stmt(expression1, expression2):
  """Functional form of an assert statement.

  This follows the semantics of the Python assert statement, however the
  concrete implementations may deviate from it. See the respective
  implementation for