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}') # ...
Master Python's f-strings, the most elegant way to handle string formatting in your code. This guide covers everything from basic syntax to advanced techniques. Learn how to write cleaner, more maintainable code with real-world examples. ...
Python f-stringis the newest Python syntax to do string formatting. It is available since Python 3.6. Python f-strings provide a faster, more readable, more concise, and less error prone way of formatting strings in Python. The f-strings have thefprefix and use{}brackets to evaluate values...
(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...
(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...
print(f"第 {day} 天是星期 {weekday}")```2. 字符串格式化符 除了取模，`%` 在 Python 中还被用作字符串格式化符，类似于模板的占位符。它允许我们将变量插入到字符串中，构造动态内容。基本语法：```python formatted_string = "文本内容 %占位符" % (变量)```常见占位符： `%s`：表示字符串...
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. ...
格式化输出字符串的用处是,你有一个字符模板,然后不同的场景下替换掉模板的不同部分(比如人名)来输出字符。Python有两种方法可以用来格式化字符串(formatting string),一种是C语言的语法,即用 %来格式化,另…
Python's string formatting syntax allows us to inject objects (often other strings) into our strings. >>>name="Trey">>>print(f"My name is{name}. What's your name?")My name is Trey. What's your name? We can even embed expressions: ...