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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 description_of(file, name='stdin'):
 """Return a string describing the probable encoding of a file."""

    u = UniversalDetector()
    for line in file:
        u.feed(line)
    u.close()
    result = u.result
    if result['encoding']:
        return '%s: %s with confidence %s' % (name,
                                              result['encoding'],
                                              result['confidence'])
    else:
        return '%s: no result' % name