script const MongoClient = require('mongodb').MongoClient; const client = new MongoClient(uri, { useNewUrlParser: true }); client.connect(err => { if (err) { console.error('Failed to connect to MongoDB:', err); return; } db.collection('mycollection').insertOne({ name: 'John', age: 30 }, (err, result) => { if (err) { console.error('Failed to insert document:', err); return; } console.log('Document inserted:', result); }); db.collection('mycollection').find({ age: { $gte: 25 } }).toArray((err, documents) => { if (err) { console.error('Failed to find documents:', err); return; } console.log('Documents found:', documents); }); client.close(); });


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