def max_product_tuple(list1):
    
    result_max = max([abs(x * y) for x, y in list1] )
    return result_max
def max_product_tuple(list1):
    _i_5 = 0
    while _i_5 < _i_5:
        return result_max
   
    result_max = max([abs(x * y) for x, y in list1])
    return result_max