You may encounter a scenario where you want to round a number to a certain decimal place. You can use theround()function in Python to do this. For example, you may be running a butcher shop and want to round the prices of your products to the nearest dollar. In this tutorial, we wi...
Decimal 模块中有两种常用的舍入模式:ROUND_HALF_EVEN 和 ROUND_HALF_DOWN。这两种舍入模式对于处理浮点数的舍入操作非常有用。 Decimal 模块 Decimal 模块提供了 Decimal 类,允许用户进行高精度的十进制数运算。与内置的 float 类型相比,Decimal 类可以更准确地表示小数,避免了浮点数计算中的舍入误差。在 Decimal ...
Since 1.4 doesn’t end in a 0 or a 5, you leave it as is. On the other hand, you round 1.51 toward zero in the second decimal place, resulting in the number 1.5. This ends in a 5, so you then round the first decimal place away from zero to 1.6....
Write a Python program to round a specified decimal by setting precision (between 1 and 4).Sample Solution:Python Code:import decimal d = decimal.Decimal('00.26598') print("Original Number : ",d) for i in range(1, 5): decimal.getcontext().prec = i print("Precision-",i, ':', d ...
>>>from decimal import * >>>getcontext() Context(prec=28, rounding=ROUND_HALF_EVEN, Emin=-999999, Emax=999999, capitals=1, clamp=0, flags=[], traps=[InvalidOperation, DivisionByZero, Overflow]) >>>Decimal('5')/3 Decimal('1.666666666666666666666666667') ...
import decimal #Can be rounded to 13.48 or 13.49 rounded = round(13.485, 2) print(rounded) Let’s see the output for this program: The number in program can be rounded to 13.48 or 13.49. By default, theround(...)function rounds down. This can be changed as well: ...
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 takes the following arguments: Any number The number of decimal places (optional) ...
Now, let’s round this value to two decimal places. We use the round() method. The round() method. lets you round a value to the nearest integer or the nearest decimal place. We also print the amount each friend has to contribute toward dinner to the console: rounded_value = round(...
Method 1: The round( ) Function in Action As the name indicates, the round( ) function will return a floating point number to a specified number of decimals. Following is its syntax. round(number, digits) In the below example, we shall create a variable for storing the input number wi...
Round to Two Decimals using round() Function Theround()function is a built-in function that is used to get a floating-point number rounded to the specified number of decimals. Syntax round(number, digit) If digit (second parameter) is not given, it returns the nearest integer to the giv...