pi = 3.141592653589793 formatted_string = "Pi is approximately {:.2f} or {:.5f} decimal places.".format(pi, pi) print(formatted_string) # 输出：Pi is approximately 3.14 or 3.14159 decimal places.注意事项 在使用format函数时，有一些技巧和注意事项可以帮助你更有效地使用它。了解不同的...
🏆 BONUS – How to round each item in a list of floats to 2 decimal places in Python? 💡 Solution 1: Using a round() 💡 Solution 2: Using String formatting ❖ Conclusion ❖ Problem Formulation In this article, you will learn how to format a floating-point value and generate a...
num=3.141592653formatted_num="{:.6f}".format(num)print(formatted_num) 1. 2. 3. 上面的示例中,"{:.6f}"表示格式化输出浮点数并保留6位小数。输出结果为3.141593。 另外,我们还可以使用decimal模块来进行更精确的浮点数计算和保留小数位数。下面是一个示例: fromdecimalimportDecimal,getcontext num=Decimal('...
如果只是对一个单独的数值做格式化输出的话我们使用内建的format()函数即可 x=1234.56789 ##Two decimal places of accuracy format(x,'0.2f') ##Right justified in 10 chars,one-digit accuracy format(x,'>10.1f') ##Left justified format(x,'<10.1f') ##Centered format(x,'^10.1f') ##Inclusion ...
The colon (:) tells our code we want to format a value. The zero is used to make Python aware that we’re dealing with a number that may be padded with zeros. The .2 instructs Python to round our number to two decimal places. The “f” shows our value as a number. Let’s run...
The first method to format a number with commas and 2 decimal places in Python is by using the f-strings method. Here’s how you can use f-strings: number = 1234567.8910 formatted_number = f"{number:,.2f}" print(formatted_number) ...
The methods in this section allow you to modify or enhance the format of a string in many different ways. You’ll start by learning how to center your string within a given space. .center(width[, fill]) The .center(width) call returns a string consisting of the target string centered ...
Thequantize()method returns a number after rounding the decimal numbers to specified places. Method 4: Using the format() method Formatters work by formatting a specified value. Syntax: string.format(value1, value2...) It takes more than two parameters which are specified formatted values. ...
DecimalDigits.py Demonstrates how to format decimal.Decimal values. DriverDatabaseVersion.py Displays the driver version and database version ElicitFile.py Demonstrates C source file upload to create a User-Defined Function (UDF) ExportCSVResult.py Demonstrates how to export a query result set to ...
print("decimal.sqrt: {0}".format(num.sqrt())) print(" mpmath.sqrt: {0}".format(mpmath.sqrt(num2))) print('actual value: 0.3779644730092272272145165362341800608157513118689214') In the example, we change the precision to 50 places. We compare the accuracy of themath.sqrt,Decimal'ssqrt, and...