7 8 Public module variables: 9 10 whitespace -- a string containing all characters considered whitespace 11 lowercase -- a string containing all characters considered lowercase letters 12 uppercase -- a string containing all characters considered uppercase letters 13 letters -- a string containing a...
A string containing all characters that are considered whitespace. On most systems this includes the characters space, tab, linefeed, return, formfeed, and vertical tab. Do not change its definition — the effect on the routines strip() and split() is undefined. print string.whitespace 2. st...
a match object,or Noneifno match was found."""return_compile(pattern,flags).fullmatch(string)defsearch(pattern,string,flags=0):"""Scan through string lookingfora match to the pattern,returning a match object,or Noneifno match was found."""return_compile(pattern,flags).search(string)deffind...
Return True if the string is an alpha-numeric string, False otherwise. A string is alpha-numeric if all characters in the string are alpha-numeric and there is at least one character in the string. """ pass defisalpha(self, *args, **kwargs): # real signature unknown """ Return True...
这被称为样板代码。例如,在清单 2-4 中,行public static void Main(String args[])和清单 2-5 ,public static void Main( )可能分别被归类为 Java 和 C# 端的样板代码。我们将在后面的章节中详细讨论这个概念。 现在,与 Java 相比,C# 对它的许多函数使用了不同的词汇。为了在屏幕上打印文本,我们有控制...
sep: string inserted between values, default a space. end: string appended after the last value, default a newline. flush: whether to forcibly flush the stream. """pass sep=' '分隔符,默认为一个空格 end='\n'结束符,默认以换行结束 ...
`pandas.arrays.StringArray` or:class:`pandas.arrays.ArrowStringArray`:class:`bool` :class:`pandas.arrays.BooleanArray`===The ExtensionArray created when the scalar type is :class:`str` is determined by``pd.options.mode.string_storage`` if the dtype is not explicitly given.For all other ca...
name(a string) location(a list containing latitude and longitude) categories(a list of strings) price(a number) reviews(a list of review data abstractions created bymake_review) restaurant_name: 返回restaurant名称 restaurant_location: 返回restaurant位置 ...
The next line creates a label widget holding a static text string. The grid() method is used to specify the relative layout (position) of the label within its containing frame widget, similar to how tables in HTML work. A button widget is then created, and placed to the right of the ...
207 208 *path* is a string having either an element tag or an XPath, 209 *namespaces* is an optional mapping from namespace prefix to full name. 210 211 Returns list containing all matching elements in document order. 212 213 """ 214 return ElementPath.findall(self, path, namespaces) ...