def single_total(iterable, odd=False):
    """This example function sums the data contained in a single iterable, i.e.
    a list, tuple, set, pd.Series, etc.
    
    Args:
        iterable (list, tuple, set, pd.Series, etc): Any iterable that holds data
            that can be added together.
            
    Returns:
        total (int): Sum of passed iterable.
    """
    
    total = 0
    
    for item in iterable:
        if odd:
            if item % 2 != 0:
                total += int(item)
        else:
            total += int(item)
    
    return total