Learn how to round a number to 2 decimal places in Python for improved precision using techniques like round(), format(), and string formatting techniques.
round和int区别Python Round 函数 返回按指定位数进行四舍五入的数值。 Round(expression[, numdecimalplaces]) 1. 参数 Expression 1. 必选项。数值表达式 被四舍五入。 Numdecimalplaces 1. 可选项。数字表明小数点右边有多少位进行四舍五入。如果省略,则 Round 函数返回整数。 说明 下面的示例利用 Round 函数...
For example, the number 2.5 rounded to the nearest whole number is 3. The number 1.64 rounded to one decimal place is 1.6.Now open up an interpreter session and round 2.5 to the nearest whole number using Python’s built-in round() function:...
print(Decimal('1.5093').quantize(Decimal('1.00'))) # 1.51 1. 2. 3. 4. 5. 6. 强制四舍五入 使用decimal from decimal import Decimal, ROUND_HALF_UP def round(number, ndigits=None): """强制四舍五入""" exp = Decimal('1.{}'.format(ndigits * '0')) if ndigits else Decimal('1...
You round off a float number to your desired decimal place using the built-in function round() in Python. Q3. How do you round a number num to three decimal places in Python? The syntax for that would look like this: round(num, 3) Q4. In Python, the round() function rounds up or...
【python】基础学习(十)round()&Decimal()&hamcrest()&向上取整&向下取整 浮点数处理 print(round(3.447444,2))>>3.45 fromdecimalimport Decimal print(Decimal('0.3') + Decimal('0.9'))>>1.2 importmath#向上取整math.ceil( x )importmath#向下取整math.floor( x )...
当需要输出的结果要求有两位小数的时候,字符串形式的:’%.2f’ % a 方式最好,其次用Decimal。 需要注意的: 可以传递给Decimal整型或者字符串参数,但不能是浮点数据,因为浮点数据本身就不准确。 Decimal还可以用来限定数据的总位数。 round是截断(直接舍弃其余位)还是四舍五入原则,和版本有关系。
import decimal #Can be rounded to 13.48 or 13.49 rounded = round(13.485, 2) print(decimal.Decimal(rounded).quantize(decimal.Decimal('0.00'), rounding=decimal.ROUND_UP)) Let’s see the output for this program: Getting Python Decimal Context ...
importnumpyasnp# Define a 2D arrayarray=np.array([[1.234,2.345],[3.456,4.567]])# Round to one decimal placerounded_array=np.round(array,decimals=1)# Print the resultprint("Rounded 2D array:",rounded_array) Copy Output: Rounded 2D array: [[1.2 2.3] ...
Getting what is after the Decimal place, in any number Getting WindowsIdentity from SID or Username Ghostscript.NET.Rasterizer set resolution (Dpi) is not working gif animation is not working global variable C# Global Variable in C#.NET Got a message “ MEMORY STREAM IS NOT EXPANDABLE” after...