print('I bought {1} oranges,{0} bananas and {0} apples.'.format(6,3)) 显示结果为: I bought 3 oranges,6 bananas and 6 apples. 上面的语句中,{0}对应format(6,3)的第一个值 6,{1}对应第二个值 3。 方式二 (f-string) :print(f'{var}') 注:这里既可以用f'',也可以用F''。 1....
字符串替换原来的%或者format用法 >>> ip_address = "127.0.0.1"# pylint complains if we use the methods below>>> "http://%s:8000/" % ip_address'http://127.0.0.1:8000/'>>> "http://{}:8000/".format(ip_address)'http://127.0.0.1:8000/'# Replace it with a f-string>>...
a f-string looks like: f ' <text> { <expression> <optional !s, !r, or !a> <optional : format specifier> } <text> ... ' Python supports multiple ways to format text strings. These include%-formatting [1],str.format(...
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 placeholders for the arguments to be placed. In the above example, {0} is placeholder for "Adam" and {1:9.3f} is placeholder for 230.234...
F-string allows you to format selected parts of a string. To specify a string as an f-string, simply put anfin front of the string literal, like this: ExampleGet your own Python Server Create an f-string: txt = f"The price is 49 dollars" ...
String objects have a built-in functionality to make format changes, which also include an additional way of concatenating strings. Let’s take a look at it: In the example above, I generated a new string based on the input values of two already-created variables by using thecurly brackets...
Python f-String/format中的字符串对齐 list 左对齐输出 for line in [[1, 128, 1298039], [123388, 0, 2]]: ...: print('{:>8} {:>8} {:>8}'.format(*line)) ...: ...: 1 128 1298039 123388 0 2 1. 2. 3. 4. 5.
format_string) # 输出:My name is Tom and I'm 18 years old.需要注意的是,在使用str.format...
Theformat()method of formatting string is quite new and was introduced in Python 2.6 . There is another old technique you will see in legacy codes which allows you to format string using%operator instead offormat()method. Let's take an example. ...
the result will also be a Unicode object.If format requires a single argument, values may be a single non-tuple object. [4] Otherwise, values must be a tuple with exactly the number of items specified by the format string, or a single mapping object (for example, a dictionary...