基于上述解决方案,我们可以提出一个项目方案:实现一个Python函数,接受两个参数,一个是原始字符串,一个是要插入的字符,然后返回一个在原始字符串开始位置插入字符后的新字符串。 definsert_char_at_beginning(original_string,char_to_insert):new_string=char_to_insert+original_stringreturnnew_string# 测试函数orig...
rjust(self, width, fillchar=' ', /) 右对齐 Return a right-justified string of length width. ljust print("age".ljust(10, '*')) # 向左对齐 print("20".ljust(10, '*')) 结果 age*** 20*** 1. 2. 3. 4. 5. ljust(self, width, fillchar=' ', /) 左对齐 Return a left-just...
tostr): 62 """maketrans(frm, to) -> string 63 64 Return a translation table (a string of 256 bytes long) 65 suitable for use in string.translate. The
In the example above, you don’t provide the start index i, so Python assumes that you want to start from the beginning of the string. Then, you give the end index j to tell Python where to stop the slicing.You can take a leap and try the rest of the operations by yourself. It ...
The error handling scheme to use for encoding errors. The default is 'strict' meaning that encoding errors raise a UnicodeEncodeError. Other possible values are 'ignore', 'replace' and 'xmlcharrefreplace' as well as any other name registered withcodecs.register_error that can handle UnicodeEncode...
【Python3_基础系列_005】Python3-string-字符串 一、string的方法 >>>dir(str) ['__add__', '__class__', '__contains__', '__delattr__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getnewargs__', '__gt_...
errors='strict')->bytes||EncodeSusing the codec registeredforencoding.Default encoding|is'utf-8'.errors may be given toseta different error|handling scheme.Default is'strict'meaning that encoding errors raise|a UnicodeEncodeError.Other possible values are'ignore','replace'and|'xmlcharrefreplace'...
str.rjust(width[, fillchar]) 也是同理，只不过原字符串在其中靠右对齐 str1="hello "print(str1...
| Return a nice string representation of the object . | If the argument is a string, the return value is the same object . | | Method resolution order: | str | basestring | object | | Methods defined here: | | __add__(...) ...
Moved __future__ import to beginning of file #7637 [@radarhere] Added type hints to ImageSequence #7635 [@radarhere] Add type hints for ImageMode #7633 [@hugovk] Add from __future__ import annotations using Ruff/isort #7631 [@hugovk] Check types with mypy #7622 [@hugovk] Added type...