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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 autoprefixCSS(sassPath):
    '''
    Take CSS file and automatically add browser prefixes with postCSS autoprefixer

    '''
    print("Autoprefixing CSS")
    cssPath = os.path.splitext(sassPath)[0] + ".css"
    command = "postcss --use autoprefixer --autoprefixer.browsers '> 5%' -o" + cssPath + " " + cssPath
    subprocess.call(command, shell=True)