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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 size(default_chunk_size, response_time_max, response_time_actual):
 """Determines the chunk size based on response times."""

    if response_time_actual == 0:
        response_time_actual = 1
    scale = 1 / (response_time_actual / response_time_max)
    size = int(default_chunk_size * scale)
    return min(max(size, 1), default_chunk_size)