Sometimes, you might want to validate the user input and continue asking for input until you get a valid response. Example (Taking an integer as input): while True: user_input = input("Enter a number (or 'exit' to stop): ") if user_input == 'exit': break if user_input.isdigit()...
AI代码解释 defgetPlayerMove(towers):"""Asks the player for a move. Returns (fromTower, toTower)."""whileTrue:# Keep asking player until they enter a valid move.response=askForPlayerMove()terminateIfResponseIsQuit(response)ifnotisValidTowerLetters(response):continue# Ask player againfortheir m...
Typically, we perform input validation by repeatedly asking the user for input until they enter valid text, as in the following example: while True: print('Enter your age:') age = input() try: age = int(age) except: print('Please use numeric digits.') continue if age < 1: print('...
try: ... x = int(input("Please enter a number: ")) ... break ... except ValueError: ... print("Oops! That was no valid number. Try again...") ... 该try声明的工作原理如下。 首先,执行try子句(try和except关键字之间的语句)。 如果没有发生异常,则跳过except子句并try完成语句的执行...
input={"prompt": "a portrait in Van Gogh style"} ) print(output) # 生成图像地址 1. 2. 3. 4. 5. 6. 7. 8. 你只需要一张图 + 一句提示词,就能 AI 创作艺术图像。 八、AI 常见项目建议 每一个项目,都可以用几百行代码实现核心功能。
Example: Following example asks the user for input until a valid integer has been entered. If user enter a non-integer value it will raise exception and using except it will catch that exception and ask the user to enter valid integer again. while True: try: a = int(input("please ente...
问我有我的伪代码，但是我不能用python写一个循环EN可以使用不等于python中的循环的while来实现‘'Unti...
Main program loop. while True: # Keep asking until the user enters valid input. print('Enter the Nth Fibonacci number you wish to') print('calculate (such as 5, 50, 1000, 9999), or QUIT to quit:') response = input('> ').upper() if response == 'QUIT': print('Thanks for ...
(wait until 中会存在判断条件,因此常常用作判断) input = wait.until( EC.presence_of_element_located((By.CSS_SELECTOR, "#q")) ) submit = wait.until( EC.element_to_be_clickable((By.CSS_SELECTOR, "#J_TSearchForm > div.search-button > button")) ) #输入+点击 input.send_keys("美食...
while True: # Keep asking player until they enter a valid move. print('Enter the letters of "from" and "to" towers, or QUIT.') print("(e.g. AB to moves a disk from tower A to tower B.)") print() response = input("> ").upper().strip() ...