Update basic.py example with alternate way of using just host & port the regular redis-py way to connect to a cluster and not have to specify startup_nodes as a more complex object

Author: Grokzen

examples/basic.py

@@ -4,7 +4,14 @@
 
 # Note: decode_responses must be set to True when used with python3
 rc = RedisCluster(startup_nodes=startup_nodes, decode_responses=True)
-
 rc.set("foo", "bar")
+print(rc.get("foo"))
 
+# Alternate simple mode of pointing to one startup node
+rc = RedisCluster(
+    host="127.0.0.1",
+    port=7000,
+    decode_responses=True,
+)
+rc.set("foo", "bar")
 print(rc.get("foo"))