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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 lint(fmt='colorized'):
 """Run verbose PyLint on source. Optionally specify fmt=html for HTML output."""

    if fmt == 'html':
        outfile = 'pylint_report.html'
        local('pylint -f %s davies > %s || true' % (fmt, outfile))
        local('open %s' % outfile)
    else:
        local('pylint -f %s davies || true' % fmt)