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Create chatbot.py

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	`1`	`+import nltk`
	`2`	`+from nltk.chat.util import Chat, reflections`
	`3`	`+`
	`4`	`+# Define pairs of patterns and responses`
	`5`	`+pairs = [`
	`6`	`+ (r"hi\|hello\|hey", ["Hello!", "Hi there!", "Hey!"]),`
	`7`	`+ (r"how are you?", ["I'm doing well, thank you!", "I'm good, thanks for asking."]),`
	`8`	`+ (r"what is your name?", ["My name is Chatbot.", "I'm Chatbot, nice to meet you!"]),`
	`9`	`+ (r"bye\|goodbye", ["Goodbye!", "See you later!", "Bye!"]),`
	`10`	`+ (r"(.*)", ["I'm sorry, I don't understand."])`
	`11`	`+]`
	`12`	`+`
	`13`	`+# Create a chatbot using the defined pairs`
	`14`	`+chatbot = Chat(pairs, reflections)`
	`15`	`+`
	`16`	`+# Start the conversation loop`
	`17`	`+print("Chatbot: Hello! I'm Chatbot. How can I help you today?")`
	`18`	`+while True:`
	`19`	`+ user_input = input("You: ")`
	`20`	`+ response = chatbot.respond(user_input)`
	`21`	`+ print("Chatbot:", response)`

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