In the above code snippet, we declare and initialize a variable i with the value of 1. We then make use of a while loop to print some statements. A test expression (i<5) is checked, and the control moves to the first statement. We use the cout statement inside the while loop to ...
step1:The variable count is initialized with value 1 and then it has been tested for the condition. step2:If the condition returns true then the statements inside the body of while loop are executed else control comes out of the loop. step3:The value of count is incremented using ++ operat...
最简单的无限循环可以通过while语句实现,条件永远为真。 whileTrue:print("This is an infinite loop!") 在实际编程中,我们可能会在无限循环中加入某个条件来实现根据需要退出循环的逻辑 whileTrue: user_input =input("Enter 'exit' to end the loop: ")ifuser_input.lower() =='exit':breakelse:print("Y...
Do not forget to increase the variable used in the condition, otherwise the loop will never end! Comparing For and While If you have read the previous chapter, about the for loop, you will discover that a while loop is much the same as a for loop, with statement 1 and statement 3 omi...
of while loops is extremely versatile. They can be used to iterate over data structures, wait for events, or continuously check the state of a variable until it meets certain criteria. While loops are particularly useful when the number of iterations required is unknown before entering the loop...
The conditions can be as simple as (i < 5) or a combination of them with the boolean operators' help in python. We shall see them steadily into the post. How to implement a while loop in Python? To implement the while loop in Python, we first need to declare a variable in our cod...
Notice, ++i statement inside the while loop. After 5 iterations, variable i will be incremented to 6. Then, the test expression i <= 5 is evaluated to false and the loop terminates. If the body of loop has only one statement, it's not necessary to use curly braces { }. Example:...
LEAVE read_loop; END IF;--结束标记,在循环体中判断并跳出。 END LOOP;--关闭游标 CLOSE cs1;--游标2 OPEN cs2; SET done=0;--REPEAT循环 REPEAT--FETCH 游标中的列必须要和INTO的列数量和类型一致。--如果游标中没有新的可用行,即Fetch到空行,则会触发NOT FOUND异常,就会把done设置为1。
Here, the do...while loop continues until the user enters a negative number. When the number is negative, the loop terminates; the negative number is not added to the sum variable. Output 2 Enter a number: -6 The sum is 0. The body of the do...while loop runs only once if the ...
# Loop while 'count<n_term' is TRUE while count < n_term: print(n1) # save second term in a temporary variable temp = n2 # compute sum of the 2 previous numbers and assign to (n-2)th n2 = n1 + n2 # assign the temporary variable to (n-1)th ...