print(f"Braces: {{ }}")#输出结果:Braces:{} 格式化数字 f-string 还支持使用冒号 : 后跟格式说明符来格式化数字。例如,控制小数点后的位数、填充字符、对齐方式等。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 pi=3.141592653589793print(f"Pi: {pi:.2f}")# 保留两位小数print(f"Pi: {pi:10.2...
Format String Syntax Format strings contain “replacement fields” surrounded by curly braces {}. Anything that is not contained in braces is considered literal text, which is copied unchanged to the output. If you need to include a brace character in the literal text, it can be escaped by d...
在Python中,print(f’') 是一种格式化字符串的便捷方式,称为 f-string(格式化字符串字面量)。f-string 是在 Python 3.6 中引入的,它提供了一种非常直观和高效的方法来嵌入表达式到字符串字面量中。 基本语法 f-string 的基本语法非常简单,只需在字符串前加上一个小写的 f 或大写的 F,然后在字符串内部使...
input 函数返回的是字符串#有以下3种写法chart1="我叫%s, 我住在%s, 我今年%d岁, 我喜欢%s"%(name,address,age,hobby)chart2="我叫{}, 我住在{}, 我今年{}岁, 我喜欢{}".format(name,address,age,hobby)chart3=f"我叫{name}, 我住在{address}, 我今年{age}岁, 我喜欢{hobby}"# f-string 第一...
Note The formatting operations described here exhibit a variety of quirks that lead to a number of common errors (such as failing to display tuples and dictionaries correctly). Using the newer formatted string literals, the str.format() interface, or template strings may help avoid these errors...
在Python 中,提供了很多种字符串格式化的方式,分别是 %-formatting、str.format 和f-string 。本文将比较这几种格式化方法。 %- 格式化 这种格式化方式来自于 C 语言风格的 sprintf 形式: name = "weapon" "Hello, %s." % name C 语言的给实话风格深入人心,通过 % 进行占位。 为什么 %-formatting不好 不好...
Here, Argument 0 is a string "Adam" and Argument 1 is a floating number 230.2346. Note: Argument list starts from 0 in Python. The string "Hello {0}, your balance is {1:9.3f}" is the template string. This contains the format codes for formatting. The curly braces are just placeholde...
The str.format() MethodThe str.format() method is an improvement compared to the % operator because it fixes a couple of issues and supports the string formatting mini-language. With .format(), curly braces delimit the replacement fields:Python...
The example below demonstrates how you can include expressions directly inside an f-string. Any valid Python expression can be placed within the curly braces, allowing you to perform calculations or manipulate data inline as you format your output. ...
Perform a string formatting operation. The format_string argument can contain literal text or replacement fields delimited by braces {}. Each replacement field contains either the numeric index of a positional argument, or the name of a keyword argument. Returns a copy of format_string where each...