Python round FunctionLast modified April 11, 2025 This comprehensive guide explores Python's round function, which returns a floating point number rounded to specified digits. We'll cover basic usage, precision control, and practical examples of number rounding. ...
在这里,我们可以看到round函数是如何根据指定的小数位数来进行四舍五入的,xxt-aidol.cn,。 4.3 负数的处理 (Handling Negative Numbers) print(round(-3.6)) # 输出: -4print(round(-3.3)) # 输出: -3,tpgkkk.cn, 负数的四舍五入遵循相同的规则,只不过方向相反。 4.4 四舍五入到负数的小数位 (Roundin...
Help on built-in function round in module builtins:round(number, ndigits=None)Round a number to a given precision in decimal digits.The return value is an integer if ndigits is omitted or None. Otherwisethe return value has the same type as the number. ndigits may be negative. leinsdj...
The truncate() function works well for both positive and negative numbers:Python >>> from rounding import truncate >>> truncate(12.5) 12.0 >>> truncate(-5.963, 1) -5.9 >>> truncate(1.625, 2) 1.62 You can even pass a negative number to decimals to truncate digits to the left of ...
What Is the round() Function in Python and What Does It Do? The round() Function in Python: Syntax 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 numbe...
The round function can be used to round to the next 10 (i.e. 10, 20, 30, 40…). Consider the following numeric value:x10 <- 77 # Create number with two digitsWe can round this numeric value (i.e. the number 77) to the closest 10 by specifying a negative integer to the digits...
Type: builtin_function_or_method Python 整数与 Python 浮点数有不同的实现。 Python 列表和字符串对此没有定义,因此 round([1,2,3]) 将返回 AttributeError: 'list' object has no attribute '__round__'。 同样适用于 ndarray 。但是 numpy 定义了一个 np.round 函数,而一个numpy数组有一个 .round...
Today, we’re going to take a look at how to use ROUND(), common mistakes when using ROUND(), and alternatives to the ROUND() function. An introduction to the Python ROUND() function The ROUND() function takes a single number as an input and rounds it to the nearest integer. For ex...
with one argument, otherwise the same type as the number. ndigits may be negative.Type: builtin_function_or_method 可以看到其接受两个参数，其中第二个参数是位数， 默认为0 所以区别是round(23/5, 0) 和round(23/5.0, 0)python2中23/5 = 4 python3中23/5 = 4.6 ...
Write a Python program to round a given Decimal number upward (ceil) and downward (floor) with precision 4, and then print both results. Write a Python function that takes a Decimal and rounds it to 4 decimal places using both decimal.ROUND_CEILING and decimal.ROUND_FLOOR, then returns the...