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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 info():
 """make Texinfo files and run them through makeinfo"""

    rc = texinfo()
    print('Running Texinfo files through makeinfo...')
    builddir = os.path.join(BUILDDIR, 'texinfo')
    subprocess.call(['make', '-C', builddir, 'info'])
    print('makeinfo finished; the Info files are in {}.'.format(builddir))