Differences between code lookup and code review

Code Lookup: Programmers and testers form a review team to run the program through logic.
Step 1: The team members should read the design specifications, program texts, and other relevant documents in advance.
Step 2: Use test cases to run program logic, record traces of programs, and discover, discuss, and solve problems

Code Review: Programmers and testers form a review team.
Step 1: The team members should read the design specifications, program texts, and other relevant documents in advance;
Step 2: Hold a Program Review meeting where developers read the program and review the group to discuss, discover, and solve the problem.

Differences between the two: Code review is a formal review, and the discussion process of code lookup is informal.

Differences between code lookup and code review