b: float = 255): self.r = r self.g = g self.b = b def __str__(self) -> str: return "A RGB color" def __repr__(self) -> str: return f"Color(r={self.r}, g={self.g}, b={self.b})">>> c = Color(r=123, g=32, b=255)# When no option...
转换为2位浮点数的函数 我们也可以创建一个函数来统一处理浮点数的格式化: defto_two_decimal_places(value):returnround(value,2)# 示例value=5.6789formatted_value=to_two_decimal_places(value)print("Value formatted to two decimal places:",formatted_value)# 输出:5.68 1. 2. 3. 4. 5. 6. 7. 可...
Wenn du mit verschiedenen Datentypen arbeitest, können f-strings jeden Typ elegant handhaben. Schauen wir uns an, wie f-strings mit verschiedenen Python-Datentypen funktionieren: # Working with numeric types integer_value = 42 float_value = 23.5 print(f"Integer: {integer_value}") print(...
上述代码使用了 f-string(格式化字符串的一种方式)。f"{num:.2%}"表示将浮点数num格式化成百分数形式,并保留两位小数。最后,打印出格式化后的结果。 方法四:自定义函数 如果以上方法不满足需求,我们还可以自定义函数来实现浮点数转百分数的功能。下面是一个示例: deffloat_to_percentage(num,decimal_places=2):re...
float 浮点小数 decimal 用于精确运算 6、函数举例 print() :打印,打印多个中间使用,分隔 input() :输入 int() :将括号内数据转换为整数型...2)使用decimal精确运算浮点小数 ? 3)使用int将字符串123456转换为整数型 ? 4)取出字符串123456的百位数 ?...字符串:在python中以单引号和双引号括起...
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...
First, -3 is divided by 2 to get -1.5. Then -1.5 is rounded down to -2. On the other hand, 3 // 2 returns 1 because both numbers are positive.The above example also illustrates that // returns a floating-point number when one of the operands is a float. This is why 9 // 3...
F-strings can also format complex numbers, allowing you to control the display of their real and imaginary parts. You can specify precision for both parts independently if needed, though standard float formatting options apply. main.py #!/usr/bin/python ...
Round to 2 decimal places using the round() function The round() function is Python’s built-in function for rounding float point numbers to the specified number of decimal places. You can specify the number of decimal places to round by providing a value in the second argument. The example...
浮点型(float) 布尔型(bool) 复数性(complex) 字符型(string):表示数据组成是字符 列表(list):用来表示一组有序元素,后期数据可以修改 ['A','B','C'] 元组(tuple):用来表示一组有序元素,后期数据不可修改 ('A','B','C','1') 集合(set):一组数据无序不重复元素 set([1,2,3,4]) 字典(dictio...