Joeven — Learn Autonomous AI Agents

Python loads on first run

trace = {
    "goal": "book a flight",
    "steps": [
        {"role": "user", "content": "book a flight to nyc"},
        {
            "role": "assistant",
            "tool": "search",
            "args": {"q": "flights nyc"},
        },
        {
            "role": "tool",
            "name": "search",
            "result": {"ok": True, "hits": ["flight A", "flight B"]},
        },
    ],
}

print("goal:", trace["goal"])
print("how many steps:", len(trace["steps"]))
print("first role:", trace["steps"][0]["role"])
print("tool name:", trace["steps"][1]["tool"])
print("query:", trace["steps"][1]["args"]["q"])

# Change one field. The rest of the trace stays.
trace["steps"][2]["result"]["ok"] = False
print("updated ok:", trace["steps"][2]["result"]["ok"])
print("hits still there:", trace["steps"][2]["result"]["hits"])

# Safe .get chain: missing keys do not crash
print("no meta:", trace.get("meta", {}).get("source", "missing"))

steps = trace.get("steps", [])
first = {}
if steps:
    first = steps[0]
print("first content:", first.get("content", ""))
print("no thought:", first.get("thought", ""))

print("last step:", steps[-1] if steps else {})
for i, step in enumerate(steps, start=1):
    print(i, step.get("role", "?"), step.get("tool") or step.get("name") or "")

result = steps[2].get("result") if len(steps) > 2 else None
if isinstance(result, dict):
    print("result ok field:", result.get("ok"))
else:
    print("result was not a dict:", result)

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