Ранее я уже упоминал о другой фишке из ˍˍfutureˍˍ , это оператор деления.
from __future__ import division
Суть проста. Раньше сложность типа данных результата поределялась типом самого сложного операнда.
Например:
int/int => int
int/float => float
В первом случае оба операнда int, значит и результат будет int. Во втором float более сложный тип, поэтому результат будет float.
Если нам требуется получить дробное значение при делении двух int то приходилось форсированно один из операндов конверировать в float.
12/float(5) => float
Но с новой "философией" это не требуется. В Python3 "floor division" заменили на "true division" а старый способ теперь работает через оператор "//".
>>> 3/2
1.5
>>> 3//2
1
То есть теперь деление int на int даёт float если результат не целое число.
В классах теперь доступны методы __floordiv__() и __truediv__() для определения поведения с этими операторами.
Данный переход описан в PEP238.
#pep#2to3#basic
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Our latest Lassa Fever Situation Report has been published on our website (week 2).
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Our latest Lassa Fever Situation Report has been published on our website (week 49).
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In total for 2024, 1035 confirmed cases of #LassaFever have been recorded across 28 States in Nigeria.
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In total for 2024, 1018 confirmed cases and 172 deaths of #LassaFever have been recorded across 28 States in Nigeria.
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In total for 2024, 1005 confirmed cases of #LassaFever have been recorded across 28 States in Nigeria.
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In this week's #LassaFever situation report, we provide a summary of the epidemiological situation and response activities in Nigeria.
🔗Download, read, and share via
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