'abcd')#先按'a'分割得到''和'bcd',在对''和'bcd'分别按'b'分割print(ret)#['', '', 'cd']ret= re.sub('\d','H','eva3egon4yuan4', 1)#将数字替换成'H',参数1表示只替换1个print(ret)#evaHegon4yuan4ret= re.sub
There you have it: the@symbol in Python and how you can use it to clean up your code. Happy coding! Recent Data Science Articles How to Convert a Dictionary Into a Pandas DataFrame 13 Python Snippets You Need to Know Fact Table vs. Dimension Table: What’s the Difference?
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{__package__}.readers.{item.stem}").readifcallable(read_function):readers[item.stem]=read_functionexceptImportError:continueexceptAttributeError:ifitem.is_dir():continueprint(f"No read() function in{item}")continuereturnreadersdefdata(name):...# No changedefpath(name):...# No changereaders...
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Python also includes thetuplemethod for explicitly creating a tuple. tuple2 = tuple(0.11, 88, 'test', 'test', -477.62); It is also possible to create an empty tuple in Python. For this, you simply pass in a set of empty parentheses. ...
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