f-string是 Python 3.6 之后加入标准库的。PEP 498中有详细介绍。其中有这样一段话: F-strings provide a waytoembed expressions insidestringliterals,usinga minimal syntax. It should be noted that an f-stringisreally an expression evaluated at run time,nota constant value.InPython source code, an ...
F-strings provide a way to embed expressions inside string literals, using a minimal syntax. It should be noted that an f-string is really an expression evaluated at run time, not a constant value. In Python source code, an f-string is a literal string, prefixed with 'f', which contai...
f-string 中的 f 也可以代表“速度快”。 f-string 比%-formatting 和 str.format()都快。正如你已经看到的,f-string 是运行时渲染的表达式,而不是常量值。以下是文档摘录: “F-strings provide a way to embed expressions inside string literals, using a minimal syntax. It should be noted that an f...
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...
Python's f-string provides 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
In Python source code, an f-string is a literal string, prefixed with f, which contains expressions inside braces. The expressions are replaced with their values.”(PEP498) ❞ (官方文档,咱不敢翻,大意就是f-字符串是一个在运行时参与计算的表达式,而不是像常规字符串那样是一个常量值) ...
python3.6【新特性:f-string】PEP 498: Formatted string literals,前言用了这么久的python3.6,今天才知道居然有了这么一个方便的特性,一起来看一下。官网资料https://docs.python.org/3.6/whatsnew/3.6.html#whatsnew36-pep498PEP498introducesanewkind
thisisstr1:a,thisisstr2:b. 二、f-string 详解 f-string是 Python 3.6 之后加入标准库的。PEP 498中有详细介绍。其中有这样一段话: F-strings provide a way to embed expressions insidestringliterals,usinga minimal syntax.Itshould be noted that an f-stringisreally an expression evaluated at run ...
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