We’re not changing the underlying string that was assigned to it before. We’re assigning a whole new string with different content. In this case, it was pretty easy to find the index to change as there are few characters in the string.How are we supposed to know which character to ch...
# Define a string 'str1'. str1 = "w3resource" # Iterate through the characters of the string using enumeration. # 'index' contains the position of the character, and 'char' contains the character itself. for index, char in enumerate(str1): # Print the current character, its position, ...
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_...
"print(string[0])# 输出'H'print(string[4])# 输出'o'print(string[-1])# 输出'!'defget_nth_character(string,n):index=n-1ifindex<0orindex>=len(string):return"Index out of range!"returnstring[index]string="Hello, World!"print(get_nth_character(string,1))# 输出'H'print(get_nth_ch...
4.1 class string.Template(template) 4.1.1 高级用法 4.1.2 其他 5. 帮助函数 string.capwords(s,sep=None) 源代码:Lib/string.py 也可以看看 str类型及方法 1. 字符串常量 源码定义如下: whitespace = ' \t\n\r\v\f' ascii_lowercase = 'abcdefghijklmnopqrstuvwxyz' ...
string | | Return a formatted version of S as described by format_spec. | | __ge__(...) | x.__ge__(y) <==> x>=y | | __getattribute__(...) | x.__getattribute__('name') <==> x.name | | __getitem__(...) | x.__getitem__(y) <==> x[y] | | __getnew...
find(character) != -1: print(f'\'{character}\' in \'{my_string}\'' f' exists at index {my_string.find(character)}') else: print(f'\'{character}\' does not exist in \'{my_string}\'') On execution of the program, we will get the following output. OUTPUT 1 2 3 'a'...
编码默认为sys.getdefaultencoding()。 Errors默认为'strict'。 """ def capitalize(self, *args, **kwargs): # real signature unknown """ Return a capitalized version of the string. More specifically, make the first character have upper case and the rest lower ...
Return S left-justified in a Unicode string of length width. Padding is done using the specified fill character (default is a space)."""return""#内容右对齐,右边用fillchar填充defrjust(self, width, fillchar=None):#real signature unknown; restored from __doc__"""S.rjust(width[, fillchar...
The index of the first character of a string is 0. There is no separate character type. A character is simply a string of size 1. Here's how to get the character at a specific index.Python Copy word = 'Python' word[0] # Character in position 0.The output is:...