/**
 * Given two dictionaries, find the keys that are common in both dictionaries.
 *
 * @param dictionary1 The first dictionary.
 * @param dictionary2 The second dictionary.
 * @return A list of common keys.
 *
 * Example:
 * dictionary1 = mapOf('A' to 1, 'B' to 2, 'C' to 3)
 * dictionary2 = mapOf('B' to 4, 'C' to 5, 'D' to 6)
 * getCommonKeys(dictionary1, dictionary2) // Output: ['B', 'C']
 */
fun getCommonKeys(dictionary1: Map<String, Int>, dictionary2: Map<String, Int>): List<String> {

    val commonKeys = mutableListOf<String>()
    // Code to find common keys between dictionary1 and dictionary2

    return commonKeys
}
/**
 * Given two dictionaries, find the keys that are common in both dictionaries.
 *
 * @param dictionary1 The first dictionary.
 * @param dictionary2 The second dictionary.
 * @return A list of common keys.
 *
 * Example:
 * dictionary1 = mapOf('A' to 1, 'B' to 2, 'C' to 3)
 * dictionary2 = mapOf('B' to 4, 'C' to 5, 'D' to 6)
 * getCommonKeys(dictionary1, dictionary2) // Output: ['B', 'C']
 */
fun getCommonKeys(dictionary1: Map<String, Int>, dictionary2: Map<String, Int>): List<String> {
/**
 * Given two dictionaries, find the keys that are common in both dictionaries.
 *
 * @param dictionary1 The first dictionary.
 * @param dictionary2 The second dictionary.
 * @return A list of common keys.
 *
 * Example:
 * dictionary1 = mapOf('A' to 1, 'B' to 2, 'C' to 3)
 * dictionary2 = mapOf('B' to 4, 'C' to 5, 'D' to 6)
 * getCommonKeys(dictionary1, dictionary2) // Output: ['B', 'C']
 */
fun getCommonKeys(dictionary1: Map<String, Int>, dictionary2: Map<String, Int>): List<String> {

    val commonKeys = mutableListOf<String>()
    // Code to find common keys between dictionary1 and dictionary2

    return commonKeys
}