The str.format() method The modulo operator (%)The first two tools support the string formatting mini-language, a feature that allows you to fine-tune your strings. The third tool is a bit old and has fewer for
Python f-stringis a powerful and flexible string formatting method introduced in Python 3.6. Unlike older formatting techniques such as%-based formatting andstr.format(), f-strings are faster, more readable, and less prone to errors. They simplify string manipulation while maintaining excellent perfo...
Likewise, in the second example, 123.236 is the positional argument and, align, width and precision are passed to the template string as format codes. Extra formatting options with format() format()also supports type-specific formatting options like datetime's and complex number formatting. ...
python3.6以后开始支持f-string字符串。f-string即formatting string, 它是str.format()的一个变种,其语法形式之殊途同归,很多时候使用f-string可以有效减少代码量,更为清晰易懂。语法:f"{}{}{}" 2.示例 (1) name = "Zack" age = 18 print(f"|我是{name}, 今年{age}岁|") >>> |我是Zack, 今年...
(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...
In addition,Python’s strings support the sequence type methods described in the Sequence Types — str, unicode, list, tuple, buffer, xrange section. To output formatted strings use template strings or the % operator described in the String Formatting Operations section. Also, see the re module...
Although this method is still a valid way to format strings, it can lead to errors and decreased clarity in code when you're dealing with multiple variables. Either of the other two formatting options described in this unit would be better suited to this purpose. ...
>>>my_string='{} * {} = {}'.format(3,6,3*6)>>>my_string'3 * 6 = 18' Python Theformat()method is definitely an improvement on the%ssyntax for formatting strings. However, it is not the latest or the best. Nonetheless, it is important to know about theformat()method as we ...
(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); ...
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: ...