2.5 替换 replace() 在字符串中先查找某一特定符号,然后将其替换成另一特定符号。 >>> intf = 'GigabitEthernet10/0/3' # 原字符串 >>> intf.replace('10/0/3','3/0/10') # 这里是个坑,一定要记住,它没有修改原来的字符串,是返回一个新的字符串。 'GigabitEthernet3/0/10' >>> intf # 原来...
In the next example, we have a CSV string. replacing3.py #!/usr/bin/python data = "1,2,3,4,5,6,7,8,9,10" data2 = data.replace(',', '\n') print(data2) The replace each comma with a newline character. $ ./replacing3.py 1 2 3 4 5 6 7 8 9 10 $ ./replacing3....
) | S.isupper() -> bool | | Return True if all cased characters in S are uppercase and there is | at least one cased character in S, False otherwise. | | join(...) | S.join(iterable) -> str | | Return a string which is the concatenation of the strings in the | iterable....
Return S right-justified in a string of length width. Padding is done using the specified fill character (default is a space). """ return "" def rsplit(self, sep=None, maxsplit=-1): """ S.rsplit(sep=None, maxsplit=-1) -> list of strings Return a list of the words in S, ...
Return S centered in a string of length width. Padding is done using the specified fill character (default is a space)"""return""#在字符串的左边填充0,不会截断字符串defzfill(self, width):#real signature unknown; restored from __doc__"""S.zfill(width) -> str ...
Return S centered in a string of length width. Padding is done using the specified fill character (default is a space)"""return""defcount(self, sub, start=None, end=None):#real signature unknown; restored from __doc__"""S.count(sub[, start[, end]]) -> int ...
How to Replace a Character in a String Replacing a character in a string is a common operation in Python programming. There are several methods to achieve this, each with its own use cases. These methods include the replace() method, slicing, utilizing the list data structure, the regex mod...
I can also test for memberships using the strings. 例如,假设我想问,字符y是我字符串的一部分吗? For example, imagine I wanted to ask, is the character y part of my string? 所以我可以输入y,我可以问,y在S中吗? So I can type in my y, and I can ask, is y in S? 答案将会是真的...
) S.split([sep [,maxsplit]]) -> list of strings #sep为分隔符,默认为空格 最大分隔次数 Return a list of the words in the string S, using sep as the delimiter string. If maxsplit is given, at most maxsplit splits are done. If sep is not specified or is None, any whitespace ...
Return S centered in a string of length width. Padding is done using the specified fill character (default is a space) """ # width 指定字符串的长度,fillchar指定 # 返回S,以长度为宽度的字符串为中心。 填充为使用指定的填充字符完成(默认为空格) ...