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Checkpoint
One last thing before we move on. pass this to mark the lesson done, or skip and keep moving. hop to the next when you're ready.
Lesson two Codex lock-in. The starter declares three variables for the
Codex setup steps. Write three print(f"...") lines so the output is
exactly:
install: brew on a mac, or npm which needs node first
verify: codex --version prints a version number
sign in: codex login, a browser approval with your chatgpt account
Type the three lines and run it.