What Is the upper() Function in Python and What Does It Do? The upper() Function in Python: Syntax The upper() Function in Python: Example FAQs on the Upper Case Function upper() in Python What Is the upper() Function in Python and What Does It Do? Python’s upper() function conve...
print("What\'s your name ?") print('Do you know \"Python\" ?') 执行以上代码,输出结果为: What's your name ? Do you know "Python" ? 13.2 转义字符 由反斜杠加上一个字符或数字组成,它把反斜杠后面的字符或数字转换成特定的意义。简单来说就是字符要转成其他含义的的功能,所以我们叫它 “转...
What is the Upper() Function in Python? The python upper function is a built-in function in Python that is used to convert all lowercase letters in a string to uppercase. It does not modify the original string; instead, it returns a new string with all the lowercase letters converted to...
defspam():"""This is a multiline comment to help explain what thespam()functiondoes."""print('Hello!') 索引和切片字符串 字符串和列表一样使用索引和切片。您可以将字符串'Hello, world!'视为一个列表,并将字符串中的每个字符视为一个具有相应索引的项。 “你好,我好,我好!” T1 0 1 2 3 4...
What if you want to print the last character of a string but you don’t know how long it is?You can do that usingnegative indexes. In the example above, we don’t know the length of the string, but we know that the word ‘text’ plus the exclamation sign take five indices, so ...
string.upper() 转换string中的小写字母为大写 >>> quest='what is your favorite color?' >>> quest.count('or') 2 >>> ':'.join(quest.split()) 'what:is:your:favorite:color?' >>> quest.upper() 'WHAT IS YOUR FAVORITE COLOR?' 6.7 字符串的独特特性 ...
str1 = "my name is qlee,what your name?" str2 = "name" print(str1.find(str2))#全部查找 print(str1.find(str2,5))#从第5个元素开始查找 print(str1.find(str2,35))# 从第35个元素开始查找,超过元素索引或者没找到,不会报错 1. ...
字符串是 Python 中最常用的数据类型。字符型常量必须加引号(作为定界符),可以是单引号(‘’)、双引号 (“”)、三引号(''' '''),如: ‘a’ “Hello” “”“It’s sunny“ (‘It’s sunny’写法错误) '''-What's up? -"Fine, and you?" -I'm good!''' ...
b = a # Point b at what a is pointing to b is a # => True, a and b refer to the same object b == a # => True, a's and b's objects are equal b = [1, 2, 3, 4] # Point b at a new list, [1, 2, 3, 4] ...
What Is the lower() Function in Python and What Does It Do? Python’s lower() function converts all the uppercase characters in a string to lowercase characters and returns the modified string. One common application of the lower() function in Python is to check if the given two strings...