python 核心编程 第十章

第6题 #!/usr/bin/env pythonimport sysdef safeOpen(fileName,openType): try: files = open(fileName,openType) except IOError: return None else: return files FL = safeOpen((sys.argv)[1],(sys.argv)[2]) if FL == None: print "%s Can't Open."%((sys.argv)[1]),else: for lines in FL: print lines, FL.close()

第8题

#!/usr/bin/env pythondef safeInput(): try: inString = raw_input() except (EOFError,KeyboardInterrupt): return None else: return inStringinStr = safeInput()print inStr