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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 clean_built(outdir):
 """Removes all built files"""

    print("Removing the built files!")

    # Remove the  build folder
    build_dir = os.path.join(cwd, outdir)
    if os.path.exists(build_dir):
        shutil.rmtree(build_dir)