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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():
 """remove build artifacts"""

    shutil.rmtree('{PROJECT_NAME}.egg-info'.format(PROJECT_NAME=PROJECT_NAME), ignore_errors=True)
    shutil.rmtree('build', ignore_errors=True)
    shutil.rmtree('dist', ignore_errors=True)
    shutil.rmtree('htmlcov', ignore_errors=True)
    shutil.rmtree('__pycache__', ignore_errors=True)