import json

class MidPlusV2:
    def __init__(self):
        self.name = "MidPlus V2"
        self.predefined_responses = {
            "How are you?": "I'm just a chatbot, but I'm doing well!",
            "What's the weather like?": "I'm not sure about the weather, but I'm here to chat!",
            "Tell me a joke": "Why did the computer catch a cold? It had too many windows open!",
            "Who won the World Series in 2020?": "The Los Angeles Dodgers won the World Series in 2020.",
            "What's your favorite color?": "I don't have a favorite color, but I like all colors!",
            "What's the meaning of life?": "The meaning of life is a philosophical question with no definitive answer.",
            "How tall is Mount Everest?": "Mount Everest is approximately 29,032 feet (8,849 meters) tall.",
            "What's the capital of France?": "The capital of France is Paris.",
            "How many continents are there?": "There are seven continents on Earth.",
            "What's the largest planet in our solar system?": "Jupiter is the largest planet in our solar system.",
            "What's the national flower of Japan?": "The national flower of Japan is the cherry blossom.",
            "What's the square root of 144?": "The square root of 144 is 12.",
            "Who wrote the play 'Romeo and Juliet'?": "William Shakespeare wrote the play 'Romeo and Juliet'.",
            "What's the atomic number of carbon?": "The atomic number of carbon is 6.",
            "What's the largest mammal in the world?": "The blue whale is the largest mammal in the world.",
            "What's the fastest land animal?": "The cheetah is the fastest land animal.",
            "What's the most abundant gas in Earth's atmosphere?": "Nitrogen is the most abundant gas in Earth's atmosphere.",
            "What's the largest ocean on Earth?": "The Pacific Ocean is the largest ocean on Earth.",
            "What's the chemical symbol for gold?": "The chemical symbol for gold is Au.",
            "What's the freezing point of water in Fahrenheit?": "The freezing point of water in Fahrenheit is 32 degrees.",
            "What's the boiling point of water in Celsius?": "The boiling point of water in Celsius is 100 degrees.",
            "Who painted the Mona Lisa?": "Leonardo da Vinci painted the Mona Lisa.",
            "What's the largest desert in the world?": "The Sahara Desert is the largest desert in the world.",
            "What's the national animal of Australia?": "The national animal of Australia is the kangaroo.",
            "What's the smallest prime number?": "The smallest prime number is 2.",
            "What's the highest mountain in North America?": "Denali (formerly known as Mount McKinley) is the highest mountain in North America.",
            "What's the most widely spoken language in the world?": "Mandarin Chinese is the most widely spoken language in the world.",
            "What's the largest species of shark?": "The whale shark is the largest species of shark.",
            "What's the chemical symbol for oxygen?": "The chemical symbol for oxygen is O.",
            "Who wrote the novel '1984'?": "George Orwell wrote the novel '1984'.",
            "What's the national flower of the United States?": "The national flower of the United States is the rose.",
            "What's the smallest planet in our solar system?": "Mercury is the smallest planet in our solar system.",
            "What's the capital of Brazil?": "The capital of Brazil is Brasília.",
            "What's the symbol for the element hydrogen?": "The symbol for the element hydrogen is H.",
            "What's the largest species of penguin?": "The Emperor penguin is the largest species of penguin.",
            "What's the distance from the Earth to the Moon?": "The average distance from the Earth to the Moon is about 238,855 miles (384,400 kilometers).",
            "What's the largest bird in the world?": "The ostrich is the largest bird in the world.",
  
            # Your predefined responses here
        }
        self.knowledge_base = {}
        self.load_knowledge()

    def answer_question(self, question):
        if question in self.predefined_responses:
            return self.predefined_responses[question]

        if question in self.knowledge_base:
            return self.knowledge_base[question]

        return "I'm not sure how to answer that. Can you provide an answer?"

    def add_answer(self, question, answer):
        self.knowledge_base[question] = answer
        self.save_knowledge()

    def load_knowledge(self):
        try:
            with open("knowledge_base.json", "r") as file:
                self.knowledge_base = json.load(file)
        except FileNotFoundError:
            self.knowledge_base = {}

    def save_knowledge(self):
        with open("knowledge_base.json", "w") as file:
            json.dump(self.knowledge_base, file)

midplus_v2 = MidPlusV2()

while True:
    user_input = input("You: ")
    if user_input.lower() == "exit":
        break  # Exit the loop if the user enters "exit"
    response = midplus_v2.answer_question(user_input)
    print(f"MidPlus V2: {response}")

    if response == "I'm not sure how to answer that. Can you provide an answer?":
        user_answer = input("You can provide an answer: ")
        if user_answer:
            midplus_v2.add_answer(user_input, user_answer)
            print(f"Thanks for teaching me! I'll remember that: {user_answer}")