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import math
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print('{:^7} {:^8} {:^17}'.format('Mantissa', 'Exponent', 'Floating point value'))
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print('{:-^8} {:-^8} {:-^20}'.format('', '', ''))
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for m, e in [ (0.7, -3),
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(0.3, 0),
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(0.5, 3),
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]:
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x = math.ldexp(m, e)
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print('{:7.2f} {:7d} {:7.2f}'.format(m, e, x)) |