code: def from_text_list(name, ttl, rdclass, rdtype, text_rdatas):
      
  
      if isinstance(name, (str, unicode)):
          name = dns.name.from_text(name, None)
      if isinstance(rdclass, (str, unicode)):
          rdclass = dns.rdataclass.from_text(rdclass)
      if isinstance(rdtype, (str, unicode)):
          rdtype = dns.rdatatype.from_text(rdtype)
      r = RRset(name, rdclass, rdtype)
      r.update_ttl(ttl)
      for t in text_rdatas:
          rd = dns.rdata.from_text(r.rdclass, r.rdtype, t)
          r.add(rd)
      return r
docs: Create an RRset with the specified name, TTL, class, and type, and with
      the specified list of rdatas in text format.
  
      @rtype: dns.rrset.RRset object