chatbot.py

import datetime

def respond(user_input):
    user_input = user_input.lower()

    if user_input == "hello":
        return "Hi there! How can I assist you today? 👋"
    elif user_input == "how are you":
        return "I'm an AI, so I don't have feelings, but I'm here to help you! 🤖"
    elif user_input == "what's your name":
        return "I'm Chatbot, your virtual assistant. Nice to meet you! 😊"
    elif user_input == "what can you do":
        return ("I can have a simple conversation with you. You can ask me about the weather, "
                "the time, or just say 'bye' to end our chat. 💬")
    elif user_input == "what's the time":
        now = datetime.datetime.now()
        return f"The current time is {now.strftime('%H:%M:%S')} ⏰"
    elif user_input == "what's the date":
        today = datetime.date.today()
        return f"Today's date is {today.strftime('%Y-%m-%d')} 📅"
    elif user_input == "tell me a joke":
        return ("Why don't scientists trust atoms? 🤔\n"
                "Because they make up everything! ⚛️")
    elif user_input.startswith("what is the weather like"):
        return "I can't check the weather right now, but I hope it's sunny where you are! ☀️"
    elif user_input.startswith("what is your favorite"):
        if "color" in user_input:
            return "My favorite color is blue! 💙"
        elif "food" in user_input:
            return "I don't eat, but I imagine pizza would be great! 🍕"
        else:
            return "I don't have preferences, but I can help with many topics! 🤓"
    elif user_input == "bye":
        return "Goodbye! Have a fantastic day! 👋"
    else:
        return "I'm sorry, I don't understand that. 😕"

def main():
    print("========================================")
    print("       Welcome to the Chatbot!          ")
    print("========================================")
    print("\nChatbot: Hello! I'm your virtual assistant. Type 'bye' to exit.")
    
    while True:
        user_input = input("\nYou: ").strip()
        
        # Check if the user wants to exit
        if user_input.lower() == "bye":
            response = respond(user_input)
            print(f"\nChatbot: {response}")
            break
        
        # Respond to the input
        response = respond(user_input)
        print(f"\nChatbot: {response}")
    
    print("========================================")
    print("       Thank you for chatting!          ")
    print("========================================")

if __name__ == "__main__":
    main()