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(...
python全栈开发《17.字符串的小写内置函数:lower与casefold》 1)将字符串全体小写。 2.casefold与lower用法 string.casefold(),也就是说:调用字符串的casefold函数,并且函数的()内什么都不用填写,因为它没有参数,不需要传。 casefold会生成一个新的字符串,并且可以把这个新的字符串赋值给一个新的变量,也就是news...
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...
Learn how to convert strings to lowercase in Python using the lower() function. Improve your coding skills and make your code more efficient. Try it now!
第1行代码我们定义了一个字符串变量string。第2行代码然后使用lower()函数将字符串中的大写字母H转换为...
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....
lower()方法的作用是什么？Python字符串的string.lower()方法的作用是什么？转换 string 中所有大写字符...
❮ String Methods 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. ...
Python lower() 方法转换字符串中所有大写字符为小写。语法lower()方法语法:str.lower()参数无。 返回值返回将字符串中所有大写字符转换为小写后生成的字符串。实例以下实例展示了lower()的使用方法:#!/usr/bin/python str = "THIS IS STRING EXAMPLE...WOW!!!"; print str.lower();以上...