>>> num = 4.123956>>> f"num rounded to 2 decimal places = {num:.2f}"'num rounded to 2 decimal places = 4.12'如果不做任何指定，那么浮点数用最大精度 >>> print(f'{num}')4.123956 格式化百分比数 >>> total = 87>>> true_pos = 34>>> perc = true_pos / total>>> perc0.390...
f-string 还允许你使用格式化代码来控制如何显示数值。例如,可以设置浮点数的小数位数、整数的对齐方式等。 比如 pi = 3.141592653589793 formatted_pi = f"Pi to 3 decimal places is {pi:.3f}." print(formatted_pi) 输出如下: 在这个例子中,{pi:.3f} 表示将 pi 格式化为保留三位小数的浮点数。 关于设置...
percentage = f"{value:.2f}%" # format the value to a string with 2 decimal places and append a "%" sign print(percentage) # output: 50.00% 在Python中，我们可以使用多种方法来输出百分比。最常用的方法是使用print()函数和格式化字符串。从Python 3.6开始，推荐使用f-strings(格式化字符串字面...
# Basic arithmetic operations x = 10 y = 5 print(f"Addition: {x + y}") print(f"Multiplication: {x * y}") print(f"Division with 2 decimal places: {x / y:.2f}") Powered By Saída Addition: 15 Multiplication: 50 Division with 2 decimal places: 2.00 Powered By Você também ...
number = 420 # decimal places # 设置精度 print(f"number: {number:.2f}") # hex conversion # 十六进制转换 print(f"hex: {number:#0x}") # binary conversion # 二进制转换 print(f"binary: {number:b}") # octal conversion # 八进制转换 print(f"octal: {number:o}") # scientific notation...
print(f'{val:.2%}') In the program, we display the 1/7 value as a percentage with two decimal places. $ python main.py 0.14285714285714285 14.29% Format width The width specifier sets the width of the value. The value may be filled with spaces or other characters if the value is shor...
You can also specify text alignment using the greater than operator:>. For example, the expression{:>3.2f}would align the text three spaces to the right, as well as specify a float number with two decimal places. Conclusion In this article, I included an extensive guide of string data typ...
This method improves code readability and maintainability by embedding the expressions directly inside string literals. The code below prints 14.68. # Example number to be rounded number = 14.67856 # Using f-strings to round to 2 decimal places formatted_number = f"{number:.2f}" print(formatted...
to_eng_string([context]) 如果需要指数,则转换为字符串,使用工程符号。 工程符号的指数是3的倍数。这可以在小数点左边留下最多3位数字,并且可能需要添加一个或两个尾随零。 例如,这转换Decimal('123E+1')为Decimal('1.23E+3')。 to_integral([rounding[, context]]) ...
Stats: Execution time: 0.002s Files checked: 1 Files modified: 1 Character count reduction: 78 (98.73%) Per expression type: Old style (`%`) expressions attempted: 1/2 (50.0%) No `.format(...)` calls attempted. No concatenations attempted. No static string joins attempted. F-string ...