first_10_chars=my_string[:10] 1. 这行代码的意思是:从字符串my_string的开头(即索引0)开始,取到第10个字符(索引9)。 步骤3:打印结果 最后,我们可以使用print()函数来打印我们获取的前10个字符。 print("The first 10 characters are:",first_10_chars) 1. 饼状图 为了更直观地展示字符串切片的过程,...
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 uppercase -- a string containing all characters considered uppercase letters 13 letters -- a string containing ...
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...
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()...
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 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()....
# Python Program to Access # characters of String String1 = "srcmini" # Printing First character print(String1[0]) # Printing Last character print(String1[-1]) 输出如下: G s 从字符串删除/更新– 在Python中, 由于字符串是不可变的, 因此不允许从字符串中更新或删除字符。只能将新字符串重新分...
S.expandtabs([tabsize]) -> string|| Return a copy of S where all tab characters are expan...
first_valid_index combine_first ewm notnull empty mask truncate to_csv bool at clip radd to_markdown value_counts first isna between_time replace sample idxmin div iloc add_suffix pipe to_sql items max rsub flags sem to_string to_excel prod fillna backfill align pct_change expanding n...
编码默认为sys.getdefaultencoding()。 Errors默认为'strict'。 """defcapitalize(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 ...