def __contains__(self, item):
return self.has_value(item)<EOL>
Check if the current ``Choices`` object has the given value.

        Example
        -------

        >>> MY_CHOICES = Choices(('FOO', 1, 'foo'), ('BAR', 2, 'bar'))
        >>> 1 in MY_CHOICES
        True
        >>> 3 in MY_CHOICES
        False