1. 2. 3. 使用f-string num=3.1415926formatted_num=f"{num:.2f}"print(formatted_num)# 输出 3.14 1. 2. 3. 全局保持两位数 有时候我们希望在整个程序中都保持数字的格式为两位小数。这时可以自定义一个函数或者类来实现全局保持两位数的功能。 defkeep_two_decimal_places(num):return"{:.2f}".format(...
>>> ip_address = "127.0.0.1"# pylint complains if we use the methods below>>> "http://%s:8000/" % ip_address'http://127.0.0.1:8000/'>>> "http://{}:8000/".format(ip_address)'http://127.0.0.1:8000/'# Replace it with a f-string>>> f"http://{ip_address}:8000...
You can use the {:.2f} format formatting to display a number with two decimal places. Update code: import math result = math.floor(1.4) formatted_result = "{:.2f}".format(result) print(formatted_result) #1.00 Share Follow answered Nov 2, 2023 at 14:47 XMehdi01 1 Add a comment...
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...
deffloat_to_percentage(num,decimal_places=2):return"{:.{}}%".format(num*100,decimal_places)num=0.25percentage=float_to_percentage(num,2)print(percentage) 1. 2. 3. 4. 5. 6. 输出结果为: 25.00% 1. 上述代码定义了一个名为float_to_percentage()的函数,该函数接受两个参数:num表示浮点数,...
1️⃣ str.format() 2️⃣ f-string 3️⃣ % formatting 💡 Method 2: Using round() Function 💡 Method 3: Using the Decimal Object 💡 Method 4: Using a Lambda Function 🏆 BONUS – How to round each item in a list of floats to 2 decimal places in Python? 💡 Solution...
1、基本插值:可以直接在大括号中插入变量名,例如:name="张三"greeting=f"你好,{name}!"2、表达式...
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...
name='wtf'print(f'name:{name}')比 format 更简单一些。百分号这种的,纯属清朝老兵。
# decimal places pi = 3.1415 sentence = 'Pi is equal to {:.2f}'.format(pi) print(sentence) # Double format: decimal & comma to seperate large number sentence = '1mb equals to {:,.2f}'.format(1000**2) print(sentence) # You can get the dates, the weeks, and the number of the...