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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 _compute_subplot_domains(widths, spacing):
 """ Compute normalized domain tuples for a list of widths and a subplot spacing value Parameters widths: list of float List of the desired withs of each subplot. The length of this list is also the specification of the number of desired subplots spacing: float Spacing between subplots in normalized coordinates Returns ------- list of tuple of float """

    # normalize widths
    widths_sum = float(sum(widths))
    total_spacing = (len(widths) - 1) * spacing
    widths = [(w / widths_sum)*(1-total_spacing) for w in widths]
    domains = []

    for c in range(len(widths)):
        domain_start = c * spacing + sum(widths[:c])
        domain_stop = min(1, domain_start + widths[c])
        domains.append((domain_start, domain_stop))

    return domains