6、考虑使用decimal模块:如果你需要更精确的控制或更可靠的舍入行为,可以考虑使用Python的decimal模块,这个模块提供了Decimal类,用于高精度的十进制数运算和舍入。 7、了解Python版本之间的差异:不同版本的Python可能对round()函数的行为有所不同,特别是Python 2和Python 3在舍入到偶数的方式上有所不同,确保你了解...
round() Return Value Theround()function returns the nearest integer to the given number ifndigitsis not provided number rounded off to thendigitsdigits ifndigitsis provided Example 1: How round() works in Python? # for integers print(round(10)) # for floating point print(round(10.7)) # ...
The floor of the scalar `x` is the largest integer `i`, such that `i <= x`. It is often denoted as :math:`\lfloor x \rfloor`. 标量“ x”的下限是最大的整数“ i”,因此“ i <= x”。 它通常表示为:\ lfloor x \ rfloor`。 Parameters --- x : array_like Input data. out...
如果输入的数字是浮点数,返回的结果将是浮点数;如果输入的是整数,返回的结果将是整数。 4. 使用示例 (Usage Examples) 4.1 四舍五入为整数 (Rounding to the Nearest Integer) print(round(3.6)) # 输出: 4print(round(3.3)) # 输出: 3 在这个示例中,3.6被四舍五入为4,而3.3则被四舍五入为3。 4.2 ...
Positive precision values round after the decimal point, while negative values round to the left of the decimal (tens, hundreds, etc.). Note that precision=0 returns a float (3.0) rather than an integer, unlike when no precision is specified (which returns an integer). ...
python中round的用法 简介 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)...
而第3条规则是:当需要修约的数值恰好位于两个数中间时(即被修约的数字是5开头),Python的round()函数采用的这种策略叫做银行家舍入法(Banker's Rounding),也称为 “四舍六入五取偶” 法(也称为:“四舍六入五留双”、“偶数舍入法”),即在这种情况下,会舍入到最近的偶数。
Python 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, round() may not work quite as ...
Pythonround()Function ❮ Built-in Functions ExampleGet your own Python Server Round a number to only two decimals: x =round(5.76543,2) print(x) Try it Yourself » Definition and Usage Theround()function returns a floating point number that is a rounded version of the specified number, ...
Python3.6内置函数——round 英文文档 (number[,ndigits]) Returnnumberrounded tondigitsprecision after the decimalpoint. Ifndigitsis omitted or is , it returns thenearest integer to its input. round() round(number[, ndigits])。 1、round函数用于对浮点数进行四舍五入求值,具体保留几位小数,以传入...