Basic Chatbot

def get_response(user_input):
    # Convert input to lowercase for case-insensitive matching
    user_input = user_input.lower().strip()
    
    # Predefined responses
    if user_input in ["hello", "hi", "hey"]:
        return "Hi!"
    elif user_input in ["how are you", "how are u", "how's it going"]:
        return "I'm fine, thanks!"
    elif user_input in ["bye", "goodbye", "see you"]:
        return "Goodbye!"
    else:
        return "Sorry, I don't understand. Try saying 'hello', 'how are you', or 'bye'."

# Main chatbot loop
print("Welcome to the Chatbot! Type 'bye' to exit.")
while True:
    user_input = input("You: ")
    response = get_response(user_input)
    print("Bot:", response)
    if response == "Goodbye!":
        break