continue print'Input is of sufficient length' # Do other kinds of processing here... 在这个程序中,我们从用户处取得输入,但是我们仅仅当它们有至少3个字符长的时候才处理 它们。所以,我们使用内建的len函数来取得长度。如果长度小于3,我们将使用continue语句 忽略块中的剩余的语句。否则,这个循环中的剩余语句...
safe_dump(data, stream=None)serializes the given Python object into thestream. IfstreamisNone, it returns the produced stream.safe_dumpproduces only standard YAML tags and cannot represent an arbitrary Python object. safe_dump_all(data, stream=None)serializes the given sequence of Python objects i...
在3.5 版更改: Add __qualname__ and gi_yieldfrom attributes to generators. The __name__ attribute of generators is now set from the function name, instead of the code name, and it can now be modified. 在3.7 版更改: Add cr_origin attribute to coroutines. inspect.getmembers(object[, pre...
系列文章地址 这是一篇译文,原文地址。如果你问我 Python 哪部分最容易让人误解,我会毫不犹豫地回答:引入系统。可以问问自己,你有多少次使用相对引入,返回报错 ImportError: attempted relative import with …
getlo – build a large object from given oid [LO] N 大对象相关操作。 loimport – import a file to a large object [LO] N 大对象相关操作。 Object attributes Y - The DB wrapper class Initialization Y - pkey – return the primary key of a table Y - get_databases – get list of dat...
The function returnsTrueif the object is an instance of the given type. Otherwise, it returnsFalse. Here’s an example of using theisinstance()function to check if a string is an instance of theIterableclass: fromcollections.abcimportIterablemy_string="Nathan"is_iterable=isinstance(my_string,It...
['Test Statistic','p-value','#Lags Used','NumberofObservations Used']) for key,value in dftest[4].items(): dfoutput['CriticalValue(%s)'%key] = value return dfoutput # 自相关和偏相关图,默认阶数为31阶 def draw_acf_pacf(ts, lags=31): f = plt.figure(facecolor='white')ax1=f....
这是一位朋友翻译的 GooglePython代码风格指南,很全面。可以作为公司的 code review 标准,也可以作为自己编写代码的风格指南,希望对你有帮助 Translator: shendeguize@github Link: https://github.com/shendeguize/GooglePythonStyleGuideCN 本翻译囿于水平,可能有不准确的地方,欢迎指出,谢谢大家 ...
of the querystring. Optionally provide an `index_col` parameter to use one of thecolumns as the index, otherwise default integer index will be used.Parameters---sql : str SQL query or SQLAlchemy Selectable (select or text object)SQL query to be executed.con : SQLAlchemy connectable,...
unify IntoPyObject/FromPyObject derive attributes (#5070) 9天前 pyo3-macros remove all functionality deprecated in PyO3 0.23 (except IntoPy and … 2个月前 pyo3-runtime bump "latest" CI jobs to 3.12 2年前 pytests Bump supported cpython version to 3.14 for testing (#4811) ...