Update greeting.py

Comments added to explain why certain steps were taken

greetings.py

@@ -1,14 +1,17 @@
-import random
-import time
+import random #Random function imported and used to return a random value from a selection
+#dictionary created so random responses are given based on the users input
 greetings = {"hello": ["Hey how are you?", "Whats up?", "Welcome"], "hey": ["Welcome", "How may i help you?"],
-            "sup": ["Wagwan bro", "Whats good?", "Welcome"], "hi": ["Hey how are you?", "Whats up?", "Welcome"]}
-# While loop......
-def respond(ck):
-    if ck in greetings:
-      response = random.choice(greetings[ck])
-      print(response)
-    else:
-      print(".......Sorry i did not quite get that")
+             "sup": ["Wagwan bro", "Whats good?", "Welcome"]}
 
 
+def respond(message):
+    if message in greetings:
+        response = random.choice(greetings[message])
+        #Prints a random greeting allocated with what the user input
+        #This is to provide viarety as well as cater to different users
+        print("Chatbot: " + response)
+    else:
+        print("Sorry i did not quite get that")
 
+chat = input("You: ")
+respond(chat)