test

>>> a = ['1523_1','1523_2','1523_3','1523_10']
>>> a
['1523_1', '1523_2', '1523_3', '1523_10']
>>> print(a.sorted)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: 'list' object has no attribute 'sorted'
>>> print(a.sorted())
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: 'list' object has no attribute 'sorted'
>>> print(a.sort())
None
>>> print(a.sort())
None
>>> a
['1523_1', '1523_10', '1523_2', '1523_3']
>>> a = ['/asdf/1523_1','/asdf/1523_2','/asdf/1523_3','/asdf/1523_10']
>>> a.sort()
>>> a
['/asdf/1523_1', '/asdf/1523_10', '/asdf/1523_2', '/asdf/1523_3']
>>>