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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 get_resources_dests(resources_root, rules):
 """Find destinations for resources files"""


    def get_rel_path(base, path):
        # normalizes and returns a lstripped-/-separated path
        base = base.replace(os.path.sep, '/')
        path = path.replace(os.path.sep, '/')
        assert path.startswith(base)
        return path[len(base):].lstrip('/')


    destinations = {}
    for base, suffix, dest in rules:
        prefix = os.path.join(resources_root, base)
        for abs_base in iglob(prefix):
            abs_glob = os.path.join(abs_base, suffix)
            for abs_path in iglob(abs_glob):
                resource_file = get_rel_path(resources_root, abs_path)
                if dest is None:  # remove the entry if it was here
                    destinations.pop(resource_file, None)
                else:
                    rel_path = get_rel_path(abs_base, abs_path)
                    rel_dest = dest.replace(os.path.sep, '/').rstrip('/')
                    destinations[resource_file] = rel_dest + '/' + rel_path
    return destinations