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Summary of common formatting string methods in Python [percent sign and format method]
Summary of common formatting string methods in Python [percent sign and format method]
The examples in this article describe common formatting string methods in Python. Share it with everyone for your reference, the details are as follows:
[Method 1] Percent sign (%) method, C-like printf, needs to be of different types.
1. Anonymous tuple. (Recommended when there are few parameters)
>>> '姓名：%s, 年龄：%d' % ('walker', 99) '姓名：walker, 年龄：99'
2. Name the dict, and the dictionary keys can be reused.
>>> '姓名：%(name)s, 年龄：%(age)d, 工龄：%(age)d' % {'name':'walker', 'age':99}
'姓名：walker, 年龄：99, 工龄：99'[Method 2] format function, there is no need to specify string or numeric type.
1. Anonymous parameters.
>>> '姓名：{0}, 年龄：{1}'.format('walker', 99)
'姓名：walker, 年龄：99'2. Named parameters, parameters can be reused. (Recommended when there are many parameters)
>>> '姓名：{name}, 年龄：{age}, 工龄：{age}'.format(name='walker', age=99)
'姓名：walker, 年龄：99, 工龄：99'For more summary of common Python formatting string methods [Percent sign and format method] please refer to related articles Follow PHP Chinese website!
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