用python代码实现文件的拷贝

Python 2.7.12 (default, Jul  1 2016, 15:12:24)
[GCC 5.4.0 20160609] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> f1 = open('/home/wuxie/桌面/test_read.txt', 'r')
>>> f2 = open('/home/wuxie/test_read.txt', 'w')
>>> t = f1.read()
>>> f2.write(t)
>>> f1.close()
>>> f2.close()
>>> exit()
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