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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 run():
 """Execute the Cauldron container command"""


    command = sys.argv[1].strip().lower()
    print('[COMMAND]:', command)

    if command == 'test':
        return run_test()
    elif command == 'build':
        return run_build()
    elif command == 'up':
        return run_container()
    elif command == 'serve':
        import cauldron
        cauldron.run_server(port=5010, public=True)