reversed_string = my_string[::-1] print(reversed_string) # Output # EDCBA 1. 2. 3. 4. 5. 6. 7. 8. 9. 2、首字母大写 下面的代码片段,可以将字符串进行首字母大写,使用的是 String 类的 title() 方法: my_string = "my name is chaitanya baweja" # using the title() function of st...
可以先统计列表中每一个元素的数目，然后用表理解选择出统计数目大于的的元素 myList = ["StarWars","cs116","StarWars"]count = {}for item in myList: count[item] = count.get(item, 0) + 1 result = [k for k,v in count.items() if v>=2]print result ...
| S.split(sep=None, maxsplit=-1) -> list of strings | | Return a list of the words in S, using sep as the | delimiter string. If maxsplit is given, at most maxsplit | splits are done. If sep is not specified or is None, any | whitespace string is a separator and empty s...
Return S right-justified in a string of length width. Padding is done using the specified fill character (default is a space). """ return "" def rsplit(self, sep=None, maxsplit=-1): """ S.rsplit(sep=None, maxsplit=-1) -> list of strings ...
' stRINg lEArn' >>> >>> str.zfill(20) #str右对齐,左边填充0 '00000000stRINg lEArn' 大小写转换 >>> str='stRINg lEArn' >>> >>> str.upper() #转大写 'STRING LEARN' >>> >>> str.lower() #转小写 'string learn' >>> >>> str.capitalize() #字符串首为大写,其余小写 ...
string(index) = '[censored]'字符串(第几个元素的索引) = 内容 index就是索引 就是俗话说的第几个
s = 'string methods in python'.rsplit(' ', maxsplit=1)print(s)# ['string methods in', 'python']11、join()string.join(seq)。以string作为分隔符，将seq中所有的元素合并为一个新的字符串。list_of_strings = ['string', 'methods', 'in', 'python']s = '-'.join(list_of_strings)print...
for line in unsplit.split('\n')[1:]: results.append(line.split(',', maxsplit=2)) return results print(string_split_ex(input_string)) 我们.split()在这里打了两次电话。第一次使用可能看起来很吓人,但别担心!我们将逐步完成它,您会对这些表达式感到满意。让我们再看看第一个.split()调用:unspli...
Help on class str in module __builtin__: class str ( basestring ) | str ( object = '') - > string | | Return a nice string representation of the object . | If the argument is a string, the return value is the same object . ...
File "<pyshell#19>", line 1, in ? website[-3:] = 'com' TypeError: object doesn't support slice assignment String Formatting: The Short Version 将值格式化为字符串是一项非常重要的操作,而且必须满足各种不同的需求,因此多年来已经在该语言中添加了几种方法。过去,主要的解决方案是使用(名称恰当的...