*  - Created new GCE_SSH_KEY allowing specification of SSH keys for gce, gke, and kubemark.
    *  - AWS_SSH_KEY, previously assumed to be an absolute path can now be either relative or absolute

- Added apiserver identity to the following metrics: 

    /** The key of the configuration. e.g. ___change__me___ */
    String APP_CIPHER_KEY = "app.cipher.key";

    /** The key of the configuration. e.g. sha256 */
    String APP_DIGEST_ALGORISM = "app.digest.algorism";

    /** The key of the configuration. e.g. .*password|.*key|.*token|.*secret */
    String APP_ENCRYPT_PROPERTY_PATTERN = "app.encrypt.property.pattern";

    /** The key of the configuration. e.g.  */

  `apiserver_request_latencies_summary`
  `apiserver_dropped_requests`
  `etcd_request_latencies_summary`
  `apiserver_storage_transformation_latencies_microseconds`
  `apiserver_storage_data_key_generation_latencies_microseconds`
  `apiserver_storage_transformation_failures_total`
  ([#83837](https://github.com/kubernetes/kubernetes/pull/83837), [@RainbowMango](https://github.com/RainbowMango))

      - `apiserver_storage_transformation_latencies_microseconds ` -> `apiserver_storage_transformation_duration_seconds`
      - `apiserver_storage_data_key_generation_latencies_microseconds` -> `apiserver_storage_data_key_generation_duration_seconds`
      - `apiserver_request_count` -> `apiserver_request_total`
      - `apiserver_request_latencies_summary`

- Added apiserver_envelope_encryption_invalid_key_id_from_status_total to measure number of times an invalid keyID is returned by the Status RPC call. ([#115846](https://github.com/kubernetes/kubernetes/pull/115846), [@ritazh](https://github.com/ritazh)) [SIG API Machinery and Auth]

* You now have the ability to...

// the triple <key,value,effect> using the matching operator <operator>.
message Toleration {
  // Key is the taint key that the toleration applies to. Empty means match all taint keys.
  // If the key is empty, operator must be Exists; this combination means to match all values and all keys.
  // +optional
  optional string key = 1;

  // Operator represents a key's relationship to the value.

* ✏️ Fix typo in `fastapi/security/api_key.py`. PR [#11481](https://github.com/tiangolo/fastapi/pull/11481) by [@ch33zer](https://github.com/ch33zer).

	// type of s is string
	// s == a[i]
	g(i, s)
}

var key string
var val interface{}  // element type of m is assignable to val
m := map[string]int{"mon":0, "tue":1, "wed":2, "thu":3, "fri":4, "sat":5, "sun":6}
for key, val = range m {
	h(key, val)
}
// key == last map key encountered in iteration
// val == map[key]

var ch chan Work = producer()
for w := range ch {
	doWork(w)
}