2、修改上一题程序，要求使用带参数的构造函数赋初值；

以下是使用带参数构造函数赋初值的代码：

import random

class ChitChat:
    def __init__(self, name):
        self.name = name

    def greeting(self):
        greetings = [
            "Hi, I'm {0}. How can I help you today?".format(self.name),
            "Hello there! My name is {0}. What can I do for you?".format(self.name),
            "Hey! This is {0}. How may I assist you?".format(self.name)
        ]
        return random.choice(greetings)

    def farewell(self):
        farewells = [
            "It was nice chatting with you. Goodbye!",
            "Goodbye! Have a great day!",
            "See you later. Take care!"
        ]
        return random.choice(farewells)

chatbot = ChitChat("ChitGPT")

print(chatbot.greeting())
user_input = input()

while user_input.lower() != 'bye':
    response = "I'm sorry, I don't understand. Could you please rephrase that?"
    print(response)
    user_input = input()

print(chatbot.farewell())