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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 from_config(cls, cp, section, variable_args):
 """Initialize this class from a config file. Bounds on ``f0``, ``tau``, ``final_mass`` and ``final_spin`` should be specified by providing ``min-{param}`` and ``max-{param}``. If the ``f0`` or ``tau`` param should be renamed, ``rdfreq`` and ``damping_time`` should be provided; these must match ``variable_args``. If ``rdfreq`` and ``damping_time`` are not provided, ``variable_args`` are expected to be ``f0`` and ``tau``. Only ``min/max-f0`` and ``min/max-tau`` need to be provided. Example: .. code-block:: ini [{section}-f0+tau] name = uniform_f0_tau min-f0 = 10 max-f0 = 2048 min-tau = 0.0001 max-tau = 0.010 min-final_mass = 10 Parameters cp : pycbc.workflow.WorkflowConfigParser WorkflowConfigParser instance to read. section : str The name of the section to read. variable_args : str The name of the variable args. These should be separated by ``pycbc.VARARGS_DELIM``. Returns ------- UniformF0Tau : This class initialized with the parameters provided in the config file. """

        tag = variable_args
        variable_args = set(variable_args.split(pycbc.VARARGS_DELIM))
        # get f0 and tau
        f0 = bounded.get_param_bounds_from_config(cp, section, tag, 'f0')
        tau = bounded.get_param_bounds_from_config(cp, section, tag, 'tau')
        # see if f0 and tau should be renamed
        if cp.has_option_tag(section, 'rdfreq', tag):
            rdfreq = cp.get_opt_tag(section, 'rdfreq', tag)
        else:
            rdfreq = 'f0'
        if cp.has_option_tag(section, 'damping_time', tag):
            damping_time = cp.get_opt_tag(section, 'damping_time', tag)
        else:
            damping_time = 'tau'
        # check that they match whats in the variable args
        if not variable_args == set([rdfreq, damping_time]):
            raise ValueError("variable args do not match rdfreq and "
                             "damping_time names")
        # get the final mass and spin values, if provided
        final_mass = bounded.get_param_bounds_from_config(
            cp, section, tag, 'final_mass')
        final_spin = bounded.get_param_bounds_from_config(
            cp, section, tag, 'final_spin')
        extra_opts = {}
        if cp.has_option_tag(section, 'norm_tolerance', tag):
            extra_opts['norm_tolerance'] = float(
                cp.get_opt_tag(section, 'norm_tolerance', tag))
        if cp.has_option_tag(section, 'norm_seed', tag):
            extra_opts['norm_seed'] = int(
                cp.get_opt_tag(section, 'norm_seed', tag))
        return cls(f0=f0, tau=tau,
                   final_mass=final_mass, final_spin=final_spin,
                   rdfreq=rdfreq, damping_time=damping_time,
                   **extra_opts)