Traceback (most recent call last): File "E:\Duzhuan\anaconda\lib\site-packages\IPython\core\interactiveshell.py", line 3460, in run_code exec(code_obj, self.user_global_ns, self.user_ns) File "<ipython-input-2-eadcdc23616b>", line 1, in <module> runfile('C:\\Users\\zhangxiao\\Desktop\\Algorithm Integration\\d_1.py', wdir='C:\\Users\\zhangxiao\\Desktop\\Algorithm Integration') File "E:\Duzhuan\JetBrainsPyCharm 2023.1\PyCharm 2023.1\plugins\python\helpers\pydev\_pydev_bundle\pydev_umd.py", line 198, in runfile pydev_imports.execfile(filename, global_vars, local_vars) # execute the script File "E:\Duzhuan\JetBrainsPyCharm 2023.1\PyCharm 2023.1\plugins\python\helpers\pydev\_pydev_imps\_pydev_execfile.py", line 18, in execfile exec(compile(contents+"\n", file, 'exec'), glob, loc) File "C:\Users\zhangxiao\Desktop\Algorithm Integration\d_1.py", line 120, in <module> success_rate = cuckoo_search() File "C:\Users\zhangxiao\Desktop\Algorithm Integration\d_1.py", line 114, in cuckoo_search known_node_count += len(unknown_node_positions) UnboundLocalError: local variable 'known_node_count' referenced before assignment

抱歉，我在之前的代码中出现了一个错误。在`cuckoo_search`函数中，我尝试在`known_node_count`之前引用它，导致出现了`UnboundLocalError`错误。

为了解决这个问题，你可以在`cuckoo_search`函数开头将`known_node_count`初始化为已知节点的数量，即30，然后再使用`known_node_count`变量。请将以下代码替换到你的`cuckoo_search`函数中：

known_node_count = 30

这样应该能够解决报错问题。如果还有其他问题，请随时提问。