*.txt被您的外壳
file1.txt file2.txt ...自动展开。如果您引用
*.txt，则不起作用：
[~] ls "*.py"ls: cannot access *.py: No such file or directory[~] ls *.py file1.py file2.py file3.py
如果要获取与模式匹配的文件，请使用
glob：
>>> import glob>>> glob.glob('/etc/r*.conf')['/etc/request-key.conf', '/etc/resolv.conf', '/etc/rc.conf']
