base_str = '1234567890qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM' for i in range(4): r = random.randint(0,len(base_str)-1) code += base_str[r] print('验证码是:',code) in_code = input('输入验证码') if code.lower
Thelower()method converts all uppercase characters in astringinto lowercase characters and returns it. Example message ='PYTHON IS FUN' # convert message to lowercaseprint(message.lower()) # Output: python is fun Syntax of String lower() The syntax oflower()method is: string.lower() lower(...
original_string = "Hello, World!" lowercase_string = original_string.lower() print(lowercase_string) # 输出: hello, world! 在这个例子中,我们创建了一个包含大写字母的字符串original_string。通过调用original_string.lower(),我们得到了一个新的字符串lowercase_string,其中所有的大写字母都被转换成了小写...
string.upper(),string.lower()和string.title()方法是Python中的内置方法,用于将字符串格式化为特殊格式,例如大写,小写或小写。 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...
Python中的lower()函数是一个常用的字符串方法，它用于将字符串中的所有大写字母转换为小写字母。在本文中，我将详细介绍lower()函数的用法和示例，并通过实际代码演示其功能和效果。lower()函数的基本语法如下：```python string.lower()```其中，string是要进行转换的字符串。lower()函数不接受任何参数，只是将...
title() "Python'S Standard Library" The title method is very naive with how it decides what constitutes the start of a word, so I would avoid it entirely. See title-case a string in Python for more on this.Swapping casesThe last case-modification method is the swapcase method, which ...
lower()函数是Python内置的字符串方法之一，它的作用是将字符串中的所有大写字母转换为小写字母，并返回一个新的字符串。下面我们将详细介绍lower()函数的使用方法。1.基本语法 lower()函数的基本语法如下：string.lower()其中，string是要转换的字符串。lower()函数不接收任何参数。2.示例演示 为了更好地理解lower(...
String Conversion How does one become one with everything? With the str() method. >>>one=str(1)>>>one'1' Now that you are enlightened, you can stop learning Python and live in the moment. OR: You canlearn aboutlistsin our next chapter....
ExampleGet your own Python Server Lower case the string: txt ="Hello my FRIENDS" x = txt.lower() print(x) Try it Yourself » Definition and Usage Thelower()method returns a string where all characters are lower case. Symbols and Numbers are ignored. ...
string="Hello world"if"hello"instring.lower():print("包含关键词")else:print("不包含关键词")# 输出:包含关键词 3、字符串替换 在字符串的替换操作中,使用lower()函数可以使大小写不一致的情况更加方便地被替换掉。 示例代码: string="Hello World"new_string=string.replace("world","Python")print(new...