Issue #11304: Input/output tutorial - PI is rounded not truncated.
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@ -163,7 +163,7 @@ Positional and keyword arguments can be arbitrarily combined::
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An optional ``':'`` and format specifier can follow the field name. This allows
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greater control over how the value is formatted. The following example
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truncates Pi to three places after the decimal.
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rounds Pi to three places after the decimal.
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>>> import math
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>>> print('The value of PI is approximately {0:.3f}.'.format(math.pi))
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