Added docstrings

Author: mmegs-amzn

examples/src/one_kms_cmk.py

@@ -15,6 +15,13 @@
 
 
 def encrypt_decrypt(key_arn, source_plaintext, botocore_session=None):
+    """Encrypts and then decrypts a string under one KMS customer master key (CMK).
+
+        :param str key_arn: Amazon Resource Name (ARN) of the KMS CMK
+        :param bytes source_plaintext: Data to encrypt
+        :param botocore_session: existing botocore session instance
+        :type botocore_session: botocore.session.Session
+        """
 
     kwargs = dict(key_ids=[key_arn])
 

examples/src/one_kms_cmk_streaming_data.py

@@ -17,6 +17,13 @@
 
 
 def encrypt_decrypt_stream(key_arn, source_plaintext_filename, botocore_session=None):
+    """Encrypts and then decrypts streaming data under one KMS customer master key (CMK).
+
+            :param str key_arn: Amazon Resource Name (ARN) of the KMS CMK
+            :param str source_plaintext_filename: Filename of file to encrypt
+            :param botocore_session: existing botocore session instance
+            :type botocore_session: botocore.session.Session
+            """
 
     kwargs = dict()