python核心编程第二版的源码 #!/usr/bin/env python 'readTextFile.py -- read and display text file' # get filename fname = raw_input('Enter file name: ') print # attempt to open file for reading try: fobj = open(fname, 'r') except IOError, e: print"*** file open error:", e else: # display contents to the screen for eachLine in fobj: print eachLine, fobj.close()