How to use the sure.terminal.green function in sure

def compare_generic(self, X, Y, msg_format='X{0} != Y{1}'):
        c = self.get_context()
        if X == Y:
            return True
        else:
            m = msg_format.format(red(c.current_X_keys), green(c.current_Y_keys))
            return DeepExplanation(m)

y_keys = list(Y.keys())

        diff_x = list(set(x_keys).difference(set(y_keys)))
        diff_y = list(set(y_keys).difference(set(x_keys)))
        if diff_x:
            msg = "X{0} has the key {1!r} whereas Y{2} does not".format(
                red(c.current_X_keys),
                safe_repr(diff_x[0]),
                green(c.current_Y_keys))
            return DeepExplanation(msg)

        elif diff_y:
            msg = "X{0} does not have the key {1!r} whereas Y{2} has it".format(
                red(c.current_X_keys),
                safe_repr(diff_y[0]),
                green(c.current_Y_keys))
            return DeepExplanation(msg)

        elif X == Y:
            return True

        else:
            for key_X in x_keys:
                self.key_X = key_X
                self.key_Y = key_X
                value_X = X[key_X]
                value_Y = Y[key_X]
                child = DeepComparison(
                    value_X,
                    value_Y,
                    epsilon=self.epsilon,
                    parent=self,

def compare_floats(self, X, Y):
        c = self.get_context()
        if self.epsilon is None:
            return self.compare_generic(X, Y)

        if abs(X - Y) <= self.epsilon:
            return True
        else:
            m = 'X{0}±{1} != Y{2}±{3}'.format(
                red(c.current_X_keys), self.epsilon, green(c.current_Y_keys), self.epsilon)
            return DeepExplanation(m)

def compare_ordereddict(self, X, Y):
        """Compares two instances of an OrderedDict."""

        # check if OrderedDict instances have the same keys and values
        child = self.compare_dicts(X, Y)
        if isinstance(child, DeepExplanation):
            return child

        # check if the order of the keys is the same
        for i, j in zip(X.items(), Y.items()):
            if i[0] != j[0]:
                c = self.get_context()
                msg = "X{0} and Y{1} are in a different order".format(
                    red(c.current_X_keys), green(c.current_Y_keys)
                )
                return DeepExplanation(msg)
        return True

def compare_dicts(self, X, Y):
        c = self.get_context()

        x_keys = list(X.keys())
        y_keys = list(Y.keys())

        diff_x = list(set(x_keys).difference(set(y_keys)))
        diff_y = list(set(y_keys).difference(set(x_keys)))
        if diff_x:
            msg = "X{0} has the key {1!r} whereas Y{2} does not".format(
                red(c.current_X_keys),
                safe_repr(diff_x[0]),
                green(c.current_Y_keys))
            return DeepExplanation(msg)

        elif diff_y:
            msg = "X{0} does not have the key {1!r} whereas Y{2} has it".format(
                red(c.current_X_keys),
                safe_repr(diff_y[0]),
                green(c.current_Y_keys))
            return DeepExplanation(msg)

        elif X == Y:
            return True

        else:
            for key_X in x_keys:
                self.key_X = key_X
                self.key_Y = key_X

def safe_repr(val):
    try:
        if isinstance(val, dict):
            # We special case dicts to have a sorted repr. This makes testing
            # significantly easier
            val = _obj_with_safe_repr(val)
        ret = repr(val)
        if six.PY2:
            ret = ret.decode('utf-8')
    except UnicodeEncodeError:
        ret = red('a %r that cannot be represented' % type(val))
    else:
        ret = green(ret)

    return ret