Natural Language Processing with Python

Exercises

1. In Example 11-7 the new field appeared at the bottom of the entry. Modify this program so that it inserts the new subelement right after the lx field. (Hint: create the new cv field using Element('cv'), assign a text value to it, then use the insert() method of the parent element.)

2. Write a function that deletes a specified field from a lexical entry. (We could use this to sanitize our lexical data before giving it to others, e.g., by removing fields containing irrelevant or uncertain content.)

3. Write a program that scans an HTML dictionary file to find entries having an illegal part-of-speech field, and then reports the headword for each entry.

4. Write a program to find any parts-of-speech (ps field) that occurred less than 10 times. Perhaps these are typing mistakes?

5. We saw a method for adding a cv field (Working with Toolbox Data). There is an interesting issue with keeping this up-to-date when someone modifies the content of the lx field on which it is based. Write a version of ...