golang check if key is in map

package main

import "fmt"

func main() {
    // Create a map
    myMap := map[string]int{
        "one":   1,
        "two":   2,
        "three": 3,
    }

    // Check if key "two" exists in the map
    keyToCheck := "two"
    if value, exists := myMap[keyToCheck]; exists {
        fmt.Printf("Key %s exists in the map with value %d\n", keyToCheck, value)
    } else {
        fmt.Printf("Key %s does not exist in the map\n", keyToCheck)
    }
}