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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_snmpv2c(self, oid):
 """ Try to send an SNMP GET operation using SNMPv2 for the specified OID. Parameters oid : str The SNMP OID that you want to get. Returns ------- string : str The string as part of the value from the OID you are trying to retrieve. """

        snmp_target = (self.hostname, self.snmp_port)
        cmd_gen = cmdgen.CommandGenerator()

        (error_detected, error_status, error_index, snmp_data) = cmd_gen.getCmd(
            cmdgen.CommunityData(self.community),
            cmdgen.UdpTransportTarget(snmp_target, timeout=1.5, retries=2),
            oid,
            lookupNames=True,
            lookupValues=True,
        )

        if not error_detected and snmp_data[0][1]:
            return text_type(snmp_data[0][1])
        return ""