Python's f-strings provide a readable way to interpolate and format strings. They're readable, concise, and less prone to error than traditional string interpolation and formatting tools, such as the .format() method and the modulo operator (%). F-string
在Python源代码中,f-string是一个文字字符串,前缀为’f’,其中包含大括号内的表达式。表达式会将大括号中的内容替换为其值。例如 import datetime name = "zings" age = 17 date = datetime.date(2019,7,18) print(f'my name is {name}, this year is {date:%Y},Next year, I\'m {age+1}') # ...
(1) s: string, 字符串; (2) d: decimal integer, 十进制数; (3) i: integer, 用法同%d; (4) u: unsigned integer, 无符号十进制数; (5) f: float, 浮点数(默认保留小数点后6位); (6) F: Float, 浮点数(默认保留小数点后6位); (7) e: exponent, 将数字表示为科学计数法(小写e, 默认...
f-string,也就是格式化字符串,是在 Python 3.6 中引入的新特性,它最大的作用就是方便我们打印输出...
Python f-string tutorial shows how to format strings in Python with f-string. Python f-strings provide a faster, more readable, concise, and less error prone way of formatting strings in Python.
Python String Formatting: Available Tools and Their Features You can take this quiz to test your understanding of the available tools for string formatting in Python, as well as their strengths and weaknesses. These tools include f-strings, the .format() method, and the modulo operator. ...
常见格式码包括: d Decimal integer b Binary integer x Hexadecimal integer f Float as [-]m.dddddd e Float as [-]m.dddddde+-xx g Float, but selective use of E notation s String c Character (from integer) 常见的修饰符可调整字段宽度和数的精度。这是部分内容:...
(1)s:string,字符串;(2)d:decimal integer,十进制数;(3)i:integer,用法同%d;(4)u:unsigned integer,无符号十进制数;(5)f:float,浮点数(默认保留小数点后6位);(6)F:Float,浮点数(默认保留小数点后6位);(7)e:exponent,将数字表示为科学计数法(小写e,默认保留小数点后6位);(8)E:Exponent,将数字表...
(1)s:string,字符串; (2)d:decimalinteger,十进制数; (3)i:integer,用法同%d; (4)u:unsignedinteger,无符号十进制数; (5)f:float,浮点数(默认保留小数点后6位); (6)F:Float,浮点数(默认保留小数点后6位); (7)e:exponent,将数字表示为科学计数法(小写e,默认保留小数点后6位); ...
f-string in Python – New and better way of formatting string introduced in Python 3.6. Python中的f-string – Python 3.6中引入的格式化字符串的新方法和更好的方法。 Substring in Python Python中的子字符串 Generate Random String 产生随机字串 ...