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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 main():
 """Main function for the deprecated 'sl' command."""

    print("ERROR: Use the 'slcli' command instead.", file=sys.stderr)
    print("> slcli %s" % ' '.join(sys.argv[1:]), file=sys.stderr)
    exit(-1)