Python 调用xlrd读取excel的时候报错？

1.在Python3.8环境中，输入以下代码：import xlrdworkbook = xlrd.open_workbook(rC:UserspcDesktop学习测试代码cesi.xls)print(workbook.sheet_names())[uSheet1, uSheet2, uSheet3]2.提示以下错误：C:UserspcDesktop学习测试代码venvScriptspython.exe C:/Users/pc/Desktop/学习/测试代码/测试.pyTraceback (most recent call last): File "C:/Users/pc/Desktop/学习/测试代码/测试.py", line 2, in module workbook = xlrd.open_workbook(rC:UserspcDesktop学习测试代码cesi.xls) File "C:UserspcDesktop学习测试代码venvlibsite-packagesxlrd__init__.py", line 111, in open_workbook with open(filename, "rb") as f:OSError: [Errno 22] Invalid argument: u202aC:UserspcDesktop学习测试代码cesi.xlsProcess finished with exit code 1想请问是哪里出错了呢？