python字符串replace()方法 >>> help(str.replace)Help on method_descriptor:replace(...) S.replace(old, new[, count]) -> string Return a copy of string S with all occurrences of substring old replaced by new. If the optional argument cou…
python字符串的方法 ############7个基本方法############ 1:join def join(self, ab=None, pq=None, rs=None): # real signature unknown; restored from __doc__ """ Concatenate any number of strings. The string whose method is called is inserted in between ea…
一.combine & duplicate 字符串结合和复制 字符和字符串可以用来相加来组合成一个字符串输出: 字符或字符串复制输出. 二.Extract &Slice 字符串提取和切片 You can extract a substring from a string by using slice. Format: [start:end:step] [:] extracts the all string [start:] from start to the end [:end] from…