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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def unhide_selected():
    '''Unhide the selected objects'''
    
    hidden_state = current_representation().hidden_state
    selection_state = current_representation().selection_state

    res = {}
    # Take the hidden state and flip the selected atoms bits.
    for k in selection_state:
        visible = hidden_state[k].invert()
        visible_and_selected = visible.add(selection_state[k]) # Add some atoms to be visible
        res[k] = visible_and_selected.invert()
    
    current_representation().hide(res)