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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_backend(backend, path, backends):
 """Returns mountpoint details for a backend"""

    m_norm = normalize_vault_path(path)
    for mount_name, values in backends.items():
        b_norm = normalize_vault_path(mount_name)
        if (m_norm == b_norm) and values['type'] == backend:
            return values

    return None