Implement function ToLowerCase() that has a string parameter str, and returns the same string in lowercase. Example 1: Input: "Hello" Output: "hello" Example 2: Input: "here" Output: "here" Example 3: Input: "LOVELY" Output: "lovely" 题意分析 在Python里这个需求完全就是调一个内置函数...
swapcase(self, /)将大写字符转换为小写,将小写字符转换为大写。 Convert uppercase characters to lowercase and lowercase characters to uppercase. title data = 'ABCabc' print(data.title()) 结果 Abcabc 1. 2. 3. 4. title(self, /)返回字符串的一个版本,其中每个单词的标题都大写。(首字母大写,其余...
Python Code:# Prompt the user to enter their favorite language and store the input in the variable 'user_input'. user_input = input("What's your favorite language? ") # Print the message "My favorite language is" followed by the user's input converted to uppercase. print("My favorite ...
<form action="" method="post" id="login-form" onsubmit="return toVaild()"> <input class="form-control" id="id_account" name="account" type="text" placeholder="账号"/> <input class="form-control" id="id_password" name="password" type="password" placeholder="密码"> <form> <script...
letter=input("请输入一个大写字母: ")lowercase_letter=letter.lower()print("转换后的小写字母是:",lowercase_letter) 1. 2. 3. 类图 下面是这个程序的类图表示: User- input_letter: str+enter_letter()Converter- uppercase_letter: str- lowercase_letter: str+convert_to_lowercase() ...
(!window.attachEvent||window.opera),g=/webkit\\/(\\d+)/i.test(navigator.userAgent)&&RegExp.$1<525,h=[],i=function(){for(var a=0;a<h.length;a++)h[a]()},j(function(){var b,a=window.navigator.userAgent.toLowerCase();return"micromessenger"==a.match(/micromessenger/i)||"wk...
lower,即lowercase,英文“小写字母” upper,即uppercase,英文“大写字母” 这两个方法也不需要参数,均返回布尔值。这两个方法的逻辑与上面的.isalpha()和.isdigit()不同。对于.islower()方法,只要对象中不包含大写字母,即为True,否则为False;对于.isupper()方法,只要对象中不包含小写字母,即为True,否则为False: ...
def test_encode_spaces(): cipher = VigenereCipher("TRAIN") encoded = cipher.encode("ENCODED IN PYTHON") assert encoded == "XECWQXUIVCRKHWA" def test_encode_lowercase(): cipher = VigenereCipher("TRain") encoded = cipher.encode("encoded in Python") assert encoded == "XECWQXUIVCRKHWA" ...
您可以在autbor.com/convertlowercase查看该程序的执行情况。如果字符串至少有一个字母并且所有字母都是大写或小写,那么isupper()和islower()方法将返回一个布尔值True。否则,该方法返回False。在交互式 Shell 中输入以下内容,并注意每个方法调用返回的内容:
def ask_ok(prompt, retries=4, reminder='Please try again!'): while True: ok = input(prompt) if ok in ('y', 'ye', 'yes'): return True if ok in ('n', 'no', 'nop', 'nope'): return False retries = retries - 1 if retries < 0: raise ValueError('invalid user response') ...