style: apply f-string

sdk/keyvault/azure-keyvault-keys/samples/hello_world_async.py

@@ -49,20 +49,20 @@ async def run_sample():
     key_ops = ["encrypt", "decrypt", "sign", "verify", "wrapKey", "unwrapKey"]
     key_name = "rsaKeyNameAsync"
     rsa_key = await client.create_rsa_key(key_name, size=key_size, key_operations=key_ops)
-    print("RSA Key with name '{0}' created of type '{1}'.".format(rsa_key.name, rsa_key.key_type))
+    print(f"RSA Key with name '{rsa_key.name}' created of type '{rsa_key.key_type}'.")
 
     # Let's create an Elliptic Curve key with algorithm curve type P-256.
     # if the key already exists in the Key Vault, then a new version of the key is created.
     print("\n.. Create an EC Key")
     key_curve = "P-256"
     key_name = "ECKeyNameAsync"
     ec_key = await client.create_ec_key(key_name, curve=key_curve)
-    print("EC Key with name '{0}' created of type {1}.".format(ec_key.name, ec_key.key_type))
+    print(f"EC Key with name '{ec_key.name}' created of type {ec_key.key_type}.")
 
     # Let's get the rsa key details using its name
     print("\n.. Get a Key using it's name")
     rsa_key = await client.get_key(rsa_key.name)
-    print("Key with name '{0}' was found.".format(rsa_key.name))
+    print(f"Key with name '{rsa_key.name}' was found.")
 
     # Let's say we want to update the expiration time for the EC key and disable the key to be usable
     # for cryptographic operations. The update method allows the user to modify the metadata (key attributes)
@@ -72,22 +72,14 @@ async def run_sample():
     updated_ec_key = await client.update_key_properties(
         ec_key.name, version=ec_key.properties.version, expires_on=expires_on, enabled=False
     )
-    print(
-        "Key with name '{0}' was updated on date '{1}'".format(
-            updated_ec_key.name, updated_ec_key.properties.updated_on
-        )
-    )
-    print(
-        "Key with name '{0}' was updated to expire on '{1}'".format(
-            updated_ec_key.name, updated_ec_key.properties.expires_on
-        )
-    )
+    print(f"Key with name '{updated_ec_key.name}' was updated on date '{updated_ec_key.properties.updated_on}'")
+    print(f"Key with name '{updated_ec_key.name}' was updated to expire on '{updated_ec_key.properties.expires_on}'")
 
     # The keys are no longer used, let's delete them
     print("\n.. Deleting keys")
     for key_name in (ec_key.name, rsa_key.name):
         deleted_key = await client.delete_key(key_name)
-        print("\nDeleted '{}'".format(deleted_key.name))
+        print(f"\nDeleted '{deleted_key.name}'")
 
     print("\nrun_sample done")
     await credential.close()