257 258 """ 259 return s.strip(chars) 260 261 # Strip leading tabs and spaces 262 def lstrip(s, chars=None): 263 """lstrip(s [,chars]) -> string 264 265 Return a copy of the string s with leading whitespace removed. 266 If chars is given and not None, remove characters in ...
expandtabs([tabsize]) -> string Return a copy of S where all tab characters are expanded using spaces. If tabsize is not given, a tab size of 8 characters is assumed. """ return "" def find(self, sub, start=None, end=None): """ 寻找子序列位置,如果没找到,返回 -1 """ """ ...
# access characters in string # declare, assign string str = "Hello world" # print complete string print "str:", str # print first character print "str[0]:", str[0] # print second character print "str[1]:", str[1] # print last character print "str[-1]:", str[-1] # print...
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()...
A string is printable if all of its characters are considered printable in repr() or if it is empty. """ pass def isspace(self, *args, **kwargs): # real signature unknown """ Return True if the string is a whitespace string, False otherwise. ...
Return a copy of the string S with leading whitespace removed. If chars is given and not None, remove characters in chars instead. """ return ""def maketrans(self, *args, **kwargs): # real signature unknown """ Return a translation table usable for str.translate()....
capitalized_string = [word.title() for word in string] 2. Usage of String capitalize() Method The string.capitalize() method in Python that takes a string and returns a copy of the string with the first character capitalized and the rest of the characters in lowercase. ...
For the same string, you can either use the positive indexes or negative indexes. 3.3.1 如何调取前五个字符 只需表述为”:5“即可 To extract the first 5 characters, put a colon BEFORE the index. 例子: text = "Hello Jack" print(text[:5]) ...
-6 -5 -4 -3 -2 -1 The first row of numbers gives the position of the indices 0…6 in the string; the second row gives the corresponding negative indices. The slice from i to j consists of all characters between the edges labeled i and j, respectively.第一行数字给出字符串...
Python String: Exercise-98 with Solution Write a Python program to decapitalize the first letter of a given string. Use list slicing and str.lower() to decapitalize the first letter of the string. Use str.join() to combine the lowercase first letter with the rest of the characters. ...