what while loop

The basic usage of the for Loop and while loop in Python, pythonwhile While loop: while expression: suite_to_repeat While condition:Statement Block No parentheses! >>> x 1.2 >>> while x >> Frequently used: while True: .... if ... : break ....

Python while Loop statementin Python programming, the while statement is used to loop the execution of a program, which, under some conditions, loops through some segments of the program to handle the same tasks that require repeated processing. the

While loop:The while loop in the Python process control until the expression becomes false to end. Expression is a logical expression that must return a true or falseThe syntax is as follows:While expression:Statement (s)

Example one: age = 20count = 0while true:    if count == 5:         break    guess = int (Input ("Age: "))     if GUESS == AGE :         print ("it is right!")         break    elif GUESS >  Age :        print ("it is bigger!")

One, for commandIn shell programming, sometimes we need to repeat the command until a certain condition is reached, and the bash shell provides a for command that allows you to create a loop that iterates through a series of values, each of which

1 //26-do while loop. CPP: The entry point that defines the console application. 2 //3 4#include"stdafx.h"5#include 6#include 7#include 8#include string>9 using namespacestd;Ten One intMain () A { - //Do { - //Loop Body the //} while

While Loop statement:The while statement is used to loop the execution of a program that, under certain conditions, loops through a program to handle the same tasks that require repeated processing.The format is:While condition judgment:The executed

In previous studies, we learned that the while loop shape is:while expression;Statement...DoneThis grammatical structure loops as long as the expression meets the criteria to execute the statement in the loop body, or the loop is rolled out.Two

1 Packagejava_test;2 3 Public classLabelwhile {4 5 Public Static voidMain (string[] args) {6 inti = 0;7Outer while(true) {8System.out.println ("Outer while Loop");9 while(true) {Teni++; OneSystem.out.println ("i=" +i); A

In Python programming, a while statement is used to loop the execution of a program, which, under certain conditions, loops through a program to handle the same tasks that require repeated processing. Its basic form is:While judging condition:

The MySQL operation also has the cyclic statement operation, the network says has 3 standard cycle way: While loop, loop loop and repeat loop. There is also a nonstandard cycle: goto. In view of the jump of the goto statement will cause the use of

The following is an example of the Customers table in the Northwind database in SQL Server 2000.CompanyName columns in the Customers table are traversed with the temporary table + while loop methodCREATE TABLE #temp(ID int identity (+),Customer

[TOC]One, for loopRepeated execution of a series of commands is common in programming. Usually you need to repeat a set of commands until you reach a certain condition, such as working with all the files in a directory, all users on the system, or

#判断What is judgment:If certain conditions are met, one can do something, and when the condition is not satisfied, it cannot be done, which is called judgment.Not only in life, but also in software development, the function of "judging" is often

1. The use of the Dead Circle Societya = 1while True: print(a) a +=12, unlimited input, until the loss of the right, only to exit_age = 18while True: guess_age = int(input("guess_age:")) if guess_age == _age: print("Good!!!!")

#while循环i= 1while I #for循环For I in range (1,10) for J in Range (1,i+1) d = i * j print ('%d *%d =%d '% (i, J, D), end= " ) print ()　　Using a python while loop to do 99 multiplication tables

outputs all odd and even numbers from 1 to 100:num = 1 while num Two ways to guess Age games:Age = 50flag = truewhile flag:    user_input_age = int ( Input ("Age is:"))     if user_input_age == age:         print ("Yes")         flag = false

1. While loop        while condition:              code block (loop body)          execution Flow:             1. Determine if the condition is true. If it's true. Executes the code block             2. Judge again whether the condition is true ...  

Python all data types are objectsprint(type(123))print(type(4545.666))print(type(1323.))print(type(‘adbn‘))All data types are objectsprint(type([1,2,2,3,4,5,56,‘a‘,‘b‘]))print(type((1,‘xddfsdfd‘)))print(type(set([‘s‘,‘rff‘,‘dd‘])))print(type({‘a‘: 1,

After another common use of do while loops ... The loop of the next loop. Repeat a statement in a Do While loop statement The number of blocks is uncertain. Repeated statements or when the condition is true or until the condition becomes true. The