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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_nexusvlan_binding(vlan_id, switch_ip):
 """Lists a vlan and switch binding."""

    LOG.debug("get_nexusvlan_binding() called")
    return _lookup_all_nexus_bindings(vlan_id=vlan_id, switch_ip=switch_ip)