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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 groff2man(data):
 """Read groff-formatted text and output man pages."""

    width = get_width()

    cmd = 'groff -t -Tascii -m man -rLL=%dn -rLT=%dn' % (width, width)
    handle = subprocess.Popen(
        cmd, shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
        stderr=subprocess.PIPE)
    man_text, stderr = handle.communicate(data)
    return man_text