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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 overplot_boundaries_from_bounddict(ax, bounddict, micolors, linetype='-'):
 """Overplot boundaries on current plot. Parameters ax : matplotlib axes Current plot axes. bounddict : JSON structure Structure employed to store bounddict information. micolors : list of char List with two characters corresponding to alternating colors for odd and even slitlets. linetype : str Line type. """


    for islitlet in range(1, EMIR_NBARS + 1):
        tmpcolor = micolors[islitlet % 2]
        tmp_slitlet = 'slitlet' + str(islitlet).zfill(2)
        if tmp_slitlet in bounddict['contents'].keys():
            read_dateobs = list(bounddict['contents'][tmp_slitlet].keys())
            read_dateobs.sort()
            for tmp_dateobs in read_dateobs:
                tmp_dict = bounddict['contents'][tmp_slitlet][tmp_dateobs]
                # lower boundary
                pol_lower_measured = np.polynomial.Polynomial(
                    tmp_dict['boundary_coef_lower']
                )
                xdum = np.linspace(1, EMIR_NAXIS1, num=EMIR_NAXIS1)
                ydum = pol_lower_measured(xdum)
                ax.plot(xdum, ydum, tmpcolor + linetype)
                pol_upper_measured = np.polynomial.Polynomial(
                    tmp_dict['boundary_coef_upper']
                )
                ydum = pol_upper_measured(xdum)
                ax.plot(xdum, ydum, tmpcolor + linetype)