ReAct: Parsing an Action
Beginner
The problem, from first principles
ReAct (Yao et al., 2022) interleaves reasoning traces with actions. The model writes a thought, then an action such as Search[query]. The environment answers with an observation, and the loop continues until the model finishes. Parsing the action is the first step of running that loop.
From theory to code
Implement parse_action(text), extracting the action name and its argument from the model output.
Constraints
- Return None when no action line is present.
Hints
Hint 1
Use a regular expression for Action: name[argument], and return the two captured groups.
Keywords
research-papersagentsreasoningtool-use
Python
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