例如，如果用户输入了“to”，我想知道他们实际上已经回答了"yes“。或者，如果他们写了"no“，我想知...
' + myName) ❺ print('The length of your name is:') print(len(myName)) ❻ print('What is your age?') # ask for their age myAge = input() print('You will be ' + str(int(myAge) + 1) + ' in a year.')
import random messages = ['It is certain', 'It is decidedly so', 'Yes definitely', 'Reply hazy try again', 'Ask again later', 'Concentrate and ask again', 'My reply is no', 'Outlook not so good', 'Very doubtful'] print(messages[random.randint(0, len(messages) - 1)]) 您可以...
def ask_ok(prompt, retries=4, complaint='Yes or no, please!'): 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 OSError('uncooperative user') pr...
for square in range(9): board.append(EMPTY) return board #询问该谁下棋 def ask_yes_no(question): response = None #如果输入不是"y", "n",继续重新输入 while response not in ("y", "n"): response = input(question).lower() return response ...
那么和其他程序语言一样,Python也有很多流程控制工具,主要包括if条件语句、for循环语句以及函数等。 下面慢慢了解。 02 怎么办 条件if 和其他语言一样,如果很重要。可惜人生没有if。 >>> x = int(input("Please enter an integer: ")) Please enter an integer: 42 ...
ask_ok('OK to overwrite the file?',2,'Come on, only yes or no!') 官网有给出2个有趣的例子 i =5def f(arg=i): print arg i=6f() 这个打印多少呢?答案是当然是5,第一个i值属于函数定义域内的值,第二个i实际上已经是另一个i(两个i的id(i)是不同的),函数执行时,arg使用的默认值,就...
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') ...
def ask(prompt = "Do you like Python? ", hint = "yes or no"): while True: answer = input(prompt) if answer.lower() in ('y', 'yes'): print ("Thank you") return True if answer.lower() in ('n', 'no'): print("Why not ") return False else: print(hint) A. answer.lo...
defask_ok(prompt,retries=4,complaint=Yesorno,please!): whileTrue: ok=raw_input(prompt) ifokin(y,ye,yes):return1 ifokin(n,no,nop,nope):return0 retries=retries-1 ifretries0:raiseIOError,refusenikuser printcomplaint 这个函数还可以用以下的方式调用:ask_ok(Doyoureallywantto quit?),或者像这样...