human
How can I use re.sub to replace occurrences of the pattern "T AX D" with "g_TD" in a string.  I want to pre-compile the regex for speed since I'm going to use it a lot.
gpt
--- Reasoning ---
1. Is the question multiple-choice question?
No
2. Is it implied multiple-choice question?
No
3. If two experts were independently asked the question, will the final answer be exactly the same?
No

--- Answer ---
open