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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def file_contents(file_name):
 """Given a file name to a valid file returns the file object."""

    curr_dir = os.path.abspath(os.path.dirname(__file__))
    with open(os.path.join(curr_dir, file_name)) as the_file:
        contents = the_file.read()
    return contents