`round()`函数是Python内置的函数之一,用于对数字进行四舍五入。它接受一个数字作为参数,并返回最接近该数字的整数。如果有两个整数与该数字的距离相等,它将返回偶数值。 2. `round()`函数的语法 `round()`函数的基本语法如下: ```python round(number[, ndigits]) ``` - number:必需,表示要进行四舍五...
Python’s Built-in round() FunctionPython has a built-in round() function that takes two numeric arguments, n and ndigits, and returns the number n rounded to ndigits. The ndigits argument defaults to zero, so leaving it out results in a number rounded to an integer. As you’ll see...
Python round() 函数 Python 数字 描述 round() 方法返回浮点数x的四舍五入值。 语法 以下是 round() 方法的语法: round( x [, n] ) 参数 x -- 数值表达式。 n -- 数值表达式,表示从小数点位数。 返回值 返回浮点数x的四舍五入值。 实例 以下展示了使用 r
在python2.7的doc中,round()的最后写着, "Values are rounded to the closest multiple of 10 to the power minus ndigits; if two multiples are equally close, rounding is done away from 0." 保留值将保留到离上一位更近的一端(四舍六入),如果距离两端一样远,则保留到离0远的一边。所以round(0.5)...
How to Round Down a Number in Python? There are various methods to round down a number in python. Let's take a look at them. Method 1: Using string format This method is applicable when you only want to show the whole number before the decimal point without altering the value. This ...
Python2 中,round()的结果就是我们所理解的四舍五入,round(1.5)=2,round(2.5)=3。 Python3 中,round()有较大改动,round(1.5)=2,而round(2.5)仍然等于2,只有round(2.6)才等于3,这是为什么呢? 解决方案 原来Python2 的round()是四舍五入,而 Python3 的round()为四舍六入五成双,即高位为单数则进1...
python标准库的解释及翻译round(number[, ndigits])Return the floating point value number rounded to ndigits digits after the decimal point. If ndigits is omitted, it returns the nearest integer to its input. Delegates to number.__round__(ndigits).For the built-in types...
round()函数是Python中的内置函数,用于将浮点数四舍五入到指定的小数位数。其基本语法如下: AI检测代码解析 round(number[,ndigits]) 1. number:要四舍五入的数字。 ndigits(可选):四舍五入到的小数位数。 2.2 代码示例 以下是一个使用round函数的示例: ...
The round() Function in Python: Example FAQs on the round() Function in Python What Is the round() Function in Python and What Does It Do? The round function in Python rounds a number to a specific decimal place and returns a floating-point number rounded as per our specifications. It ...
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