Pythonwhileloop withbreakstatement We can use abreak statementinside awhileloop to terminate the loop immediately without checking the test condition. For example, whileTrue: user_input =input('Enter your name: ')# terminate the loop when user enters endifuser_input =='end':print(f'The loop ...
Python >>>whileTrue:...number=int(input("Enter a positive number: "))...print(number)...ifnotnumber>0:...break...Enter a positive number: 11Enter a positive number: 44Enter a positive number: -1-1 Again, this loop takes the user input using the built-ininput()function. The inpu...
while迴圈是你編寫程式語言的得力助手,有了while迴圈你可以讓Python依照你設定的條件執行指定的事。 對初學者而言,while迴圈可能不是很好懂的語法,透過實作練習觀念才會慢慢融會貫通,如果想透由小型專題練習,熟悉Python while 迴圈,推薦使用《Python 自動化的樂趣(第2版)》,在學習如何設計猜數字、剪刀石頭布的遊戲...
The while loop repeatedly tests the expression (condition) and, if it is true, executes the first block of program statements. The else clause is only executed when the condition is false it may be the first time it is tested and will not execute if the loop breaks, or if an exception ...
ExampleGet your own Python Server Print i as long as i is less than 6: i =1 whilei <6: print(i) i +=1 Try it Yourself » Note:remember to increment i, or else the loop will continue forever. Thewhileloop requires relevant variables to be ready, in this example we need to def...
/usr/bin/python# -*- coding: UTF-8 -*-var=1whilevar==1:# 该条件永远为true,循环将无限执行下去num=raw_input("Enter a number :")print"You entered:",numprint"Good bye!" 以上实例输出结果: Entera number:20Youentered:20Entera number:29Youentered:29Entera number:3Youentered:3Entera ...
5- Create a numpy array using the values contained in “mylist”. Name it “myarray”. 1importnumpy as np2myarray=np.array(mylist)3myarray 6- Use a “for loop” to find the maximum value in “mylist” 1maxvalue =mylist[0]2foriinrange(len_mylist):3ifmaxvalue <mylist[i]:4ma...
Day1_Python基础_15.while loop 有一种循环叫死循环,一经触发,就运行个天荒地老、海枯石烂。 海枯石烂代码 count =0whileTrue:print("你是风儿我是沙,缠缠绵绵到天涯...",count) count+=1 其实除了时间,没有什么是永恒的,死loop还是少写为好
获取用户输入后，Python将其存储在一个变量中，以方便使用。 1：编写清晰的程序： # 函数input（）让...
") break else: print("no,please input") 3、限制输入三次，超过三次，遍历通俗理解...