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- function printGuests(params) {
- let partyIndex = params.indexOf('PARTY');
- let guestList = params.slice(0, partyIndex);
- for (let i = partyIndex + 1; i < params.length; i++) {
- let guest = params[i];
- let guestIndex = guestList.indexOf(guest);
- guestList.splice(guestIndex, 1);
- }
- let result = guestList.filter(g => Number.isInteger(+g[0]))
- .concat(guestList.filter(g => !Number.isInteger(+g[0])));
- console.log(`${result.length}\n${result.join('\n')}`);
- }
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