[docs]: standardize tool docstrings (#25351)

libs/community/langchain_community/tools/riza/command.py

@@ -19,7 +19,43 @@ class ExecPythonInput(BaseModel):
 
 
 class ExecPython(BaseTool):
-    """A tool implementation to execute Python via Riza's Code Interpreter API."""
+    """Riza Code tool.
+
+    Setup:
+        Install ``langchain-community`` and ``rizaio`` and set environment variable ``RIZA_API_KEY``.
+
+        .. code-block:: bash
+
+            pip install -U langchain-community rizaio
+            export RIZA_API_KEY="your-api-key"
+
+    Instantiation:
+        .. code-block:: python
+
+            from langchain_community.tools.riza.command import ExecPython
+
+            tool = ExecPython()
+
+    Invocation with args:
+        .. code-block:: python
+
+            tool.invoke("x = 5; print(x)")
+
+        .. code-block:: python
+
+            '5\\n'
+
+    Invocation with ToolCall:
+
+        .. code-block:: python
+
+            tool.invoke({"args": {"code":"x = 5; print(x)"}, "id": "1", "name": tool.name, "type": "tool_call"})
+
+        .. code-block:: python
+
+            tool.invoke({"args": {"code":"x = 5; print(x)"}, "id": "1", "name": tool.name, "type": "tool_call"})
+
+    """  # noqa: E501
 
     name: str = "riza_exec_python"
     description: str = """Execute Python code to solve problems.