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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_folder(self, si, path, root=None):
 """ Finds folder in the vCenter or returns "None" :param si: pyvmomi 'ServiceInstance' """


        search_index = si.content.searchIndex
        sub_folder = root if root else si.content.rootFolder

        if not path:
            return sub_folder

        paths = [p for p in path.split("/") if p]

        child = None
        try:
            new_root = search_index.FindChild(sub_folder, paths[0])
            if new_root:
                child = self.get_folder(si, '/'.join(paths[1:]), new_root)
        except:
            child = None

        if child is None and hasattr(sub_folder, self.ChildEntity):
            new_root = search_index.FindChild(sub_folder, paths[0])
            if new_root:
                child = self.get_folder(si, '/'.join(paths[1:]), new_root)

        if child is None and hasattr(sub_folder, self.VM):
            new_root = search_index.FindChild(sub_folder.vmFolder, paths[0])
            if new_root:
                child = self.get_folder(si, '/'.join(paths[1:]), new_root)

        if child is None and hasattr(sub_folder, self.Datastore):
            new_root = search_index.FindChild(sub_folder.datastoreFolder, paths[0])
            if new_root:
                child = self.get_folder(si, '/'.join(paths[1:]), new_root)

        if child is None and hasattr(sub_folder, self.Network):
            new_root = search_index.FindChild(sub_folder.networkFolder, paths[0])
            if new_root:
                child = self.get_folder(si, '/'.join(paths[1:]), new_root)

        if child is None and hasattr(sub_folder, self.Host):
            new_root = search_index.FindChild(sub_folder.hostFolder, paths[0])
            if new_root:
                child = self.get_folder(si, '/'.join(paths[1:]), new_root)

        if child is None and hasattr(sub_folder, self.Datacenter):
            new_root = search_index.FindChild(sub_folder.datacenterFolder, paths[0])
            if new_root:
                child = self.get_folder(si, '/'.join(paths[1:]), new_root)

        if child is None and hasattr(sub_folder, 'resourcePool'):
            new_root = search_index.FindChild(sub_folder.resourcePool, paths[0])
            if new_root:
                child = self.get_folder(si, '/'.join(paths[1:]), new_root)

        return child