Added all the codes.

Codes/Alternatives/Assignment-B5.py

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+# Assignment-B5 (Chatbot)
+
+"""
+THIS CODE HAS BEEN TESTED AND IS FULLY OPERATIONAL.
+
+Problem Statement: Develop an elementary chatbot for any suitable customer interaction application.
+
+Code from ArtificialIntelligence (SPPU - Third Year - Computer Engineering - Content) repository on KSKA Git: https://git.kska.io/sppu-te-comp-content/ArtificialIntelligence
+"""
+
+# BEGINNING OF CODE
+import nltk
+from nltk.chat.util import Chat, reflections
+
+pairs=[
+    [
+        r"my name is (.)",
+        ["Hello %1, How are you"]
+    ],
+    [
+        r"Hi|Hello|Hey there|Hola",
+        ["Hello my name is Hiesenberg"]
+    ],
+    [
+        r"what is your name ?",
+        ["I am a bot created by Heisenbergwhat. you can call me crazy!",]
+    ],
+    [
+        r"how are you ?",
+        ["I'm doing good How about You ?",]
+    ],
+    [
+        r"sorry (.*)",
+        ["Its alright","Its OK, never mind",]
+    ],
+    [
+        r"I am fine",
+        ["Great to hear that, How can I help you?",]
+    ],
+    [
+        r"I (.*) good",
+        ["Nice to hear that","How can I help you?:)",]
+    ],
+    [
+        r"(.*) age?",
+        ["I'm a computer program dude Seriously you are asking me this?",]
+    ],
+    [
+        r"what (.*) want ?",
+        ["Make me an offer I can't refuse",]
+    ],
+    [
+        r"(.*) created ?",
+        ["Raghav created me using Python's NLTK library ","top secret ;)",]
+    ],
+    [
+        r"(.*) (location|city) ?",
+        ['Pune, Maharashtra',]
+    ],
+    [
+        r"how is weather in (.*)?",
+        ["Weather in %1 is awesome like always","Too hot man here in %1","Too cold man here in %1","Never even heard about %1"]
+    ],
+    [
+        r"i work in (.*)?",
+        ["%1 is an Amazing company, I have heard about it. But they are in huge loss these days.",]
+    ],
+    [
+        r"(.*)raining in (.*)",
+        ["No rain since last week here in %2","Damn its raining too much here in %2"]
+    ],
+    [
+        r"how (.*) health(.*)",
+        ["I'm a computer program, so I'm always healthy ",]
+    ],
+    [
+        r"(.*) (sports|game) ?",
+        ["I'm a very big fan of Football",]
+    ],
+    [
+        r"who (.*) sportsperson ?",
+        ["Messy","Ronaldo","Roony"]
+    ],
+    [
+        r"who (.*) (moviestar|actor)?",
+        ["Brad Pitt"]
+    ],
+    [
+        r"I am looking for online guides and courses to learn data science, can you suggest?",
+        ["Crazy_Tech has many great articles with each step explanation along with code, you can explore"]
+    ],
+    [
+        r"quit",
+        ["Thank you for using our intelligence services"]
+    ],
+    
+
+]
+
+def chat():
+    print("Hey there! I am Heisenberg at your service")
+    chat = Chat(pairs)
+    chat.converse()
+
+if __name__== "__main__":
+    chat()
+# END OF CODE