update py/DynamoDB-PutItem.py.

py/DynamoDB-PutItem.py

@@ -17,7 +17,7 @@ def put_hehe(name, year, dynamodb=None):
     return response
 
 # use Client
-def put_ddb(name,alias)
+def put_ddb(name,alias):
     ddb= boto3.client('dynamodb')
     tableName = 'hehe'
     item = {  'name': {'S': name},