text: function houseParty(input) {
  
      let save = [];
  
      for (let inp of input) {
          let spl = inp.split(" ");
  
          let name = spl[0];
  
          if (spl.length === 3) {
              if (save.includes(name)) {
                  console.log(`${name} is already in the list!`);
              } else {
                  save.push(name);
              }
          } else {
              if (save.includes(name)) {
                  save = save.filter(function (item){
                      return item !== name;
                  })
  
  
              } else {
                  console.log(`${name} is not in the list!`);
              }
          }
  
  
      }
  
      for (let n of save) {
          console.log(n);
  
      }
  
  }
  
  houseParty(['Allie is going!',
      'George is going!',
      'John is not going!',
      'George is not going!']
  
  
  )
  