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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 examples(directory):
 """ Generate example strategies to target folder """

    source_dir = os.path.join(os.path.dirname(os.path.realpath(__file__)), "examples")

    try:
        shutil.copytree(source_dir, os.path.join(directory, "examples"))
    except OSError as e:
        if e.errno == errno.EEXIST:
            six.print_("Folder examples is exists.")