In addition, we canaccess just a specific characteror aslice of charactersof a string. We might want to do this, for example, if we have a text that’s too long to display and we want to show just a portion of i
AI代码解释 >>>a='abcdefghijklmnopqrstuvwxyz'>>>a'abcdefghijklmnopqrstuvwxyz'>>>a[0]'a'>>>a[3]'d'>>>a[26-1]'z'>>>a[-1]'z'>>>a[-26]'a'>>>a[-30]Traceback(most recent call last):File"<pyshell#91>",line1,in<module>a[-30]IndexError:string index outofrange replace()...
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width, fillchar=None): """ 内容居中,width:总长度;fillchar:空白处填充内容,默认无 """ """ S.center(width[, fillchar]) -> string Return S centered in a string of length width. Padding
python的string模块 1.字符串属性方法操作: 1.>字符串格式输出对齐 1 2 3 4 5 6 7 8 9 10 11 >>> str = "Python stRING" >>> print str.center(20) #生成20个字符长度,str排中间 Python stRING >>> print str.ljust(20) #生成20个字符长度,str左对齐 Python stRING >>> print str.rju...
python的string模块 1.字符串属性方法操作: 1.>字符串格式输出对齐 1 2 3 4 5 6 7 8 9 10 11 >>>str="Python stRING" >>>printstr.center(20)#生成20个字符长度,str排中间 Python stRING >>>printstr.ljust(20)#生成20个字符长度,str左对齐 ...
arguments start and end are interpreted as in slice notation. Raises ValueError when the substring is not found. """ return 0 def rjust(self, *args, **kwargs): # real signature unknown """ Return a right-justified string of length width. ...
rjust(width[, fillchar]) -> str Return S right-justified in a string of length width. Padding is done using the specified fill character (default is a space). """ return "" def rpartition(self, sep): # real signature unknown; restored from __doc__ """ S.rpartition(sep) -> (...
Python slice() function returns a slice object.A sequence of objects of any type(string, bytes, tuple, list or range) or the object which implements __getitem__() and __len__() method then this object can be sliced using slice() method....
>>> hex(id(sys.modules["string"]))! '0x10bc17a98' ! # 地址变了. 6.2 搜索路径 虚拟机按以下顺序搜索模块 (包): • 当前进程根⺫⽬目录. • PYTHONPATH 环境变量指定的路径列表. • Python 标准库⺫⽬目录列表. • 路径⽂文件 (.pth) 保存的⺫⽬目录 (通常放在 site-packages...