package main import ( "fmt" "github.com/boltdb/bolt" ) func main() { // Opening a BoltDB database db, err := bolt.Open("my.db", 0600, nil) if err != nil { panic(err) } defer db.Close() // Creating a bucket called "myBucket" err = db.Update(func(tx *bolt.Tx) error { _, err := tx.CreateBucket([]byte("myBucket")) return err }) if err != nil { panic(err) } // Inserting a key-value pair into the "myBucket" bucket err = db.Update(func(tx *bolt.Tx) error { b := tx.Bucket([]byte("myBucket")) err := b.Put([]byte("myKey"), []byte("myValue")) return err }) if err != nil { panic(err) } // Retrieving the value for the key "myKey" from the "myBucket" bucket err = db.View(func(tx *bolt.Tx) error { b := tx.Bucket([]byte("myBucket")) v := b.Get([]byte("myKey")) fmt.Printf("Value for key 'myKey': %s\n", v) return nil }) if err != nil { panic(err) } }In this example code, we are opening a BoltDB database called "my.db" and creating a bucket called "myBucket". We then insert a key-value pair into the bucket with the key "myKey" and the value "myValue". Finally, we retrieve the value for the key "myKey" from the "myBucket" bucket using the `Bucket.Get` method and print it out.