They used to be implemented by 6 a built-in module called strop, but strop is now obsolete itself. 7 8 Public module variables: 9 10 whitespace -- a string containing all characters considered whitespace 11 lowercase -- a string containing all characters considered lowercase letters 12 upper...
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 """ """ ...
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()...
然后,我们使用_getexif()方法提取包含 EXIF 数据的字典。如果PIL无法从照片中提取元数据,这个变量将是None。 使用EXIF字典,我们遍历键和值,将数值转换为可读的名称。这使用了PIL中的TAGS字典,它将数值映射到表示标签的string。TAGS对象的作用方式类似于先前配方中手动指定的映射。 img_file = Image.open(args.PICTUR...
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 ...
Slicing can be useful for extracting substrings from a string based on their position within the string. For example, you might use slicing to extract the first three characters of a string or to extract a range of characters between two specific indices. ...
Write a Python program to lowercase the first n characters in a string. Sample Solution: Python Code: # Define a string 'str1'.str1='W3RESOURCE.COM'# Convert the first four characters of the string to lowercase and concatenate them with the remaining characters.# Print the modified string....
S.expandtabs([tabsize]) -> string|| Return a copy of S where all tab characters are expan...
my_str = 'apple' # ✅ Remove the first and last characters from a string result_1 = my_str[1:-1] print(result_1) # 👉️ 'ppl' # ✅ Remove the first character from a string result_2 = my_str[1:] print(result_2) # 👉️ 'pple' # ✅ Remove the last character fr...
Remove Characters a Specific Number of Times Using thereplace()Method You can pass a third argument in thereplace()method to specify the number of replacements to perform in the string before stopping. For example, if you specify2as the third argument, then only the first 2 occurrences of th...