Return true if the string is a titlecased string and there is at least one character, for example uppercase characters may only follow uncased characters and lowercase characters only cased ones. Return false otherwise. For 8-bit strings, this method is locale-dependent. str.isupper() Return t...
1) string.upper() 1)string.upper() Method returns uppercase string (where all characters of the string are in uppercase). 方法返回大写字符串(其中字符串的所有字符均为大写)。 Example: "HELLO WORLD" 示例: “ HELLO WORLD” 2) string.lower() 2)string.lower() Method returns lowercase string ...
lower()method returns the lowercase string from the given string. It converts all uppercase characters to lowercase. If no uppercase characters exist, it returns the original string. Example 1: Convert a string to lowercase # example stringstring ="THIS SHOULD BE LOWERCASE!" print(string.lower...
The .upper() and .lower() string methods are self-explanatory. Performing the .upper() method on a string converts all of the characters to uppercase, whereas the lower() method converts all of the characters to lowercase.>>> s =“Whereof one cannot speak, thereof one must be silent....
Return true if all characters in the string are digits and there is at least one character, false otherwise. For 8-bit strings, this method is locale-dependent. str.islower() Return true if all cased characters in the string are lowercase and there is at least one cased character, false ...
以上示例中,最后的输出结果都是'i love python'。 那么这两个函数有什么区别呢? 首先想到的是,查看帮助,使用help方法: >>>help(str.lower) Help on method_descriptor: lower(...) S.lower()->str Return a copy of the string S converted to lowercase.>>>help(str.casefold) ...
In this unit, you use the most common string methods in Python to manipulate strings, from simple transformations to more advanced search-and-replace operations.
A string is lowercase if all cased characters in the string are lowercase and there is at least one cased character in the string. """ pass def isnumeric(self, *args, **kwargs): # real signature unknown """ Return True if the string is a numeric string, False otherwise. ...
| 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 #字符串拼接,看+号就知道 ...
text = "Please convert me to all lowercase" print(text.lower()) # output: please convert me to all lowercase count() 函数 计算一个或多个字符出现的次数, 可以使用 count()函数的方法 英文:To count the number of occurrences of a character or characters, we can use the method count(). ...