Define function to Open a file : IO Error : File PYTHON examples

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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("nnPress the enter key to exit.")
        sys.exit()
    else:
        return the_file

trivia_file = open_file("trivia.txt", "r")