day1/exercise/round_float.py
author Puneeth Chaganti <punchagan@fossee.in>
Thu, 09 Dec 2010 23:11:12 +0530
branchscipyin2010
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Changed date format in day1/session{3,4,5}.tex.
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# round using int
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n = 17.3 # any float
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int (n + .5)
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# round it off to first decimal place
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round(amount * 10) / 10.0
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# round it off to nearest 5 paise
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round(amount * 20) / 20.0
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# exchange two variables
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a, b = b, a