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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 _enrich_with_par(par_nml, par_file):
 """Enrich a par namelist with the content of a file."""

    par_new = f90nml.read(str(par_file))
    for section, content in par_new.items():
        if section not in par_nml:
            par_nml[section] = {}
        for par, value in content.items():
            try:
                content[par] = value.strip()
            except AttributeError:
                pass
        par_nml[section].update(content)