import math number = 5.678 rounded_number = round(math.sqrt(number), 2) print(rounded_number) # 输出 2.38 在这个例子中,我们首先计算number的平方根,然后将结果四舍五入到小数点后两位。 2、与自定义函数结合使用 你还可以将round函数与自定义函数结合使用,以实现更复杂的计算。例如: def custom_functio...
In thisNumPy tutorial, I will explain what thenp.round() function in Pythonis, discussing its syntax, parameters, return value, and some illustrative examples. To round elements in a NumPy array to a specified number of decimal places, the np.round() function in Python is used. It efficien...
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...
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, ...
I just found out, that Python indeed does a roundtrip float -> dtoa -> float in its rounding function. Here is a toy with a rounding procedure that does this same roundtrip, although using C's [fe]cvt for the rounding and @LemonBoy's new dtoa for the stringification instead of D...
Quick Answer: How to Round Up in Python The math.ceil() function from the math module offers a simple method to round up a number in Python. This technique ensures that the number is always rounded to the next integer greater than the original. The following code prints 4. # Import the...
有修饰和被修饰的区别,@function作为一个装饰器,用来修饰紧跟着的函数(可以是另一个装饰器,也可以是函数定义)。 开课吧python 分享112 百战程序员吧 嘻木sky 【百战程序员】Python 函数函数是组织好的,可重复使用的,用来实现单一,或相关联功能的代码段。函数能提高应用的模块性,和代码的重复利用率。你已经知道...
Write a Python function to round up a number to specified digits. Sample Solution: Python Code: importmathdefroundup(a,digits=0):n=10**-digitsreturnround(math.ceil(a/n)*n,digits)x=123.01247print("Original Number: ",x)print(roundup(x,0))print(roundup(x,1))print(roundup(x,2))print(...
python3.xbuilt-infunctionmath 有用关注2收藏 回复 阅读805 1 个回答 得票最新 fefe 18.2k122632 发布于 2023-10-07 北京✓ 已被采纳 round 备注对浮点数执行 round() 的行为可能会令人惊讶:例如,round(2.675, 2) 将给出 2.67 而不是期望的 2.68。 这不算是程序错误:这一结果是由于大多数十进制小数实...
If you want a simple round use round(), if you want the highest value use ceil() and for the lowest value use floor(). Second and Third are found at math library 12th Mar 2021, 7:00 PM Ervis Meta + 122 You can use round() function or .__round__() built-inpythonmethod. Follo...