python中关于前后缀操作的详解

import os

path = 'first_directory/second_directory/file.txt'print os.path.splitext(path)[1]print type(os.path.splitext(path)[1])

.txt
<type 'str'>

path = 'first_directory/second_directory/file.txt'print path.startswith('fir')

path = 'first_directory/second_directory/file.txt'print path.endswith('.txt')

import os

path = 'first_directory/second_directory/file.txt'print os.path.splitext(path)print os.path.splitext(path)[1]print type(os.path.splitext(path)[1])printprint path.startswith('fir')print path.startswith('aaa')print type(path.startswith('fir'))printprint path.endswith('.txt')print path.endswith('.aaa')print type(path.endswith('.txt'))

('first_directory/second_directory/file', '.txt')
.txt
<type 'str'>

True
False
<type 'bool'>

True
False
<type 'bool'>