String.Split(),空字符串和删除指定字符的方法 string.Split() method: " ".Split();将生成一个包含2个string.Empty项的数组,因为空格字符的两侧没有任何内容(空)。 " something".Split();和"something ".Split();将生成一个包含两项的数组,其中一项是空字符串,实际上空格字符的一侧是空的。 "a b".Spli...
The output shows that the first two occurrences of theacharacter were replaced by theAcharacter. Since the replacement was done only twice, the other occurrences ofaremain in the string. Remove Characters From a String Using thetranslate()Method The Python stringtranslate()method replaces each ch...
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 it. Or if we want to make an acronym by taking the first letter of...
Python Code: # Define a function named remove_char that takes two arguments, 'str' and 'n'.defremove_char(str,n):# Create a new string 'first_part' that includes all characters from the beginning of 'str' up to the character at index 'n' (not inclusive).first_part=str[:n]# Crea...
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__(...) | x.__add__(y) <==> x+y | | __contains__(...) | x...
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 ...
string containing all characters considered printable 19 20 """ 21 22 # Some strings for ctype-style character classification 23 whitespace = ' \t\n\r\v\f' 24 lowercase = 'abcdefghijklmnopqrstuvwxyz' 25 uppercase = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 26 letters = lowercase + uppercase 27 ascii_...
Return S left-justified in a Unicode string of length width. Padding is done using the specified fill character (default is a space). """ return "" 1. 2. 3. 4. 5. 6. 7. 8. msg = "lucky" print(msg.ljust(30, 'G'))
S.ljust(width[, fillchar]) -> string Return S left-justified in a string of length width. Padding is done using the specified fill character (default is a space). """ s.ljust(10,'-') #左对齐,一共10个字符的位置,用空格补充空位置 ...
Return a capitalized version of the string. More specifically, make the first character have upper case and the rest lower case. """ pass def casefold(self, *args, **kwargs): # real signature unknown """ Return a version of the string suitable for caseless comparisons. """ ...