Define function to Open a file : IO Error « File « Python

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Python » File » IO Error Screenshots  Define function to Open a file import sys def open_file(file_name, mode):     """Open a file."""     try:         the_file = open(file_name, mode)     except(IOError), e:         print "Unable to open the file", file_name, "Ending program.\n", e         raw_input("\n\nPress the enter key to exit.")         sys.exit()     else:         return the_file trivia_file = open_file("trivia.txt", "r")                     Related examples in the same category 1.  Define file open and read in a function 2.  Handle File reading Exception