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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_init_list(backend_vals):
 """Turn backend config dict into command line items."""

    cmd_list = []
    for (key, val) in backend_vals.items():
        cmd_list.append('-backend-config')
        cmd_list.append(key + '=' + val)
    return cmd_list