Merge pull request #1597 from Soumya-Kushwaha/calculator

Added AI Calculator

Author: avinashkranjan

AI Calculator/main.py

@@ -0,0 +1,30 @@
+from chatterbot import ChatBot
+
+# naming the ChatBot calculator
+# using mathematical evaluation logic
+# the calculator AI will not learn with the user input
+Bot = ChatBot(name = 'Calculator',
+                read_only = True,                  
+                logic_adapters = ["chatterbot.logic.MathematicalEvaluation"],                 
+                storage_adapter = "chatterbot.storage.SQLStorageAdapter")
+    
+
+# clear the screen and start the calculator
+print('\033c')
+print("Hello, I am a calculator. How may I help you?")
+while (True):
+    # take the input from the user
+    user_input = input("me: ")
+    
+    # check if the user has typed quit to exit the prgram   
+    if user_input.lower() == 'quit':
+        print("Exiting")
+        break
+
+    # otherwise, evaluate the user input
+    # print invalid input if the AI is unable to comprehend the input
+    try:
+        response = Bot.get_response(user_input)
+        print("Calculator:", response)
+    except:
+        print("Calculator: Please enter valid input.")