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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 async def run_tasks(context):
 """Run any tasks returned by claimWork. Returns the integer status of the task that was run, or None if no task was run. args: context (scriptworker.context.Context):
 the scriptworker context. Raises: Exception: on unexpected exception. Returns: int: exit status None: if no task run. """

    running_tasks = RunTasks()
    context.running_tasks = running_tasks
    status = await running_tasks.invoke(context)
    context.running_tasks = None
    return status