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Intent classification with regex II

With your patterns dictionary created, it's now time to define a function to find the intent of a message.

This exercise is part of the course

Building Chatbots in Python

View Course

Exercise instructions

  • Iterate over the intents and patterns in the patterns dictionary using its .items() method.
  • Use the .search() method of pattern to look for keywords in the message.
  • If there is a match, return the corresponding intent.
  • Call your match_intent() function inside respond() with message as the argument and then hit 'Submit Answer' to see how the bot responds to the provided messages.

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

# Define a function to find the intent of a message
def match_intent(message):
    matched_intent = None
    for intent, pattern in ____:
        # Check if the pattern occurs in the message 
        if ____:
            matched_intent = ____
    return matched_intent

# Define a respond function
def respond(message):
    # Call the match_intent function
    intent = ____
    # Fall back to the default response
    key = "default"
    if intent in responses:
        key = intent
    return responses[key]

# Send messages
send_message("hello!")
send_message("bye byeee")
send_message("thanks very much!")
Edit and Run Code