import gc import time from microbit import display, Image from speech import say # Our Python dictionary which is a database # and here is where we can type in new key/value # pairs or in our case trigger word or words and # then a response as our little friend will learn # from us and will add what it learns into the  # database or db however when it loses power # it will forget however this is our chance # to build a bot of our own and teach our  # friend like it is a new born baby everything  # we want it to understand so all you have to do # is uncomment line 24 and give a trigger word # or words and a response separated by a "-"  # dash and save and then flash and our little # friend will remember this forever db = { 'hi': 'Hi to you!', 'hello': 'Hello to you!', # 'test': 'Test response!'. } # Our little friend wants to show how happy he is to  # talk to us so he smiles wide when he wakes up display.show(Image.HAPPY) # Our little friend is going to enter in a big # loop to talk to us while True: try: # This is an advanced topic as well however we this little function # cleans out the unnecessary global objects or variables on what # we call the heap area in memory gc.collect() # We want to clear the response so our little friend can get a  # new response from you response_ = '' # Here is where you interact with our little friend response = input('YOU: ') # We want to make sure that our dictionary database can  # find all values even if you use a capital letter # so we convert everything to lowercase  response = response.lower() # If you type something other than pressing enter that means  # response has a value so the rest of the code will continue # on if response: # This is a bit complicated do not worry about this for now # all this is doing is looking through our dictionary database # and seeing if our input value has the word or words which # match an entry in the dictionary database and if it does # put the value in the _response object response_ = [val for key, val in db.items() if key in response] gc.collect() # If our little friend got a response from us then make sure # we trigger the speaking or suprised image so our little friend # can open his mouth to talk and then have our little friend # talk to us in our REPL and by hearing him speak as well if response_: display.show(Image.SURPRISED) print('BOT: {0}'.format(response_[0])) say(str(response_[0])) display.show(Image.HAPPY) # If you type the word "teach" pass to the next if statement for # processing if response == 'teach': pass # If this is not a response in our dictionary database and it is # not the word teach, our little friend is confused and wants to  # learn from us so this is where you get to teach our little friend # so he is going to print out a response in the REPL and speak to  # us as well if not response_ and response != 'teach': display.show(Image.SURPRISED) print('BOT: I do not understand. Please type the word "teach" to teach me.') say('I do not understand. Please type the word teach to teach me.') display.show(Image.HAPPY) # If we type the word "teach" then our little friend is excited to learn from us # so we type a trigger word or words like "name - My name is George." as we see # that we use the "-" to separate the trigger word or words from how we want our  # little friend to respond to us if response == 'teach': display.show(Image.SURPRISED) say('Type the trigger word or words. then type a dash, then type a response.') response = input('BOT: Type Trigger Word/Words - Response: ') display.show(Image.HAPPY) if response: while True: if response: response = response.split(' - ') key = response[0] try: value = response[1] db[key] = value except IndexError: break break # If we type in blank data our dictionary database wont know what to do # so it will pass and redo the loop except IndexError: gc.collect() pass # If we want to end the program and get back to a REPL by pressing  # CTRL + C except KeyboardInterrupt: break