Here, the condition of the while loop is alwaysTrue. However, if the user entersend, the loop termiantes because of thebreakstatement. Pythonwhileloop with anelseclause In Python, awhileloop can have an optionalelseclause - that is executed once the loop condition isFalse. For example, coun...
for count in range(5): print("The count is:", count) 2. 灵活性 while循环比for循环更灵活,因为while循环可以根据任意条件控制循环的执行。例如: # 使用while循环 count = 0 while count < 5 and some_condition: print("The count is:", count) count += 1 在这个例子中,while循环的执行不仅取决...
The Python while loop can be used to execute a block of code for as long as a certain condition is fulfilled. While loops are primarily used in Python when the number of iterations can’t be determined at the time of writing the code. Keep reading to find out how the Python while ...
Loops are used to repeatedly execute a block of program statements. The basic loop structure in Python is while loop. Here is the syntax. Syntax: while (expression) : statement_1 statement_2 ... The while loop runs as long as the expression (condition) evaluates to True and execute the ...
In Python, a basic while loop looks like this: while [a condition is True]: [do something]Copy The condition we provide to the while statement is the controlling expression, our loop will run until the controlling statement is no longer true. ...
Python >>>number=5>>>whilenumber!=0:...ifnumber<=0:...break...print(number)...number-=2...531 This loop has the same original loop condition. However, it includes a failsafe condition in the loop body to terminate it in case the main condition fails. ...
If the condition of a while loop is always true or the variables within the loop do not update correctly, it may result in an infinite loop. An example of an infinite loop is: while True: # Infinite loop, no break condition Powered By In Python, you can use the break statement to ...
whilecondition:# while 是循环的关键字。# 循环体 # condition是循环的条件,当条件为真时,循环体会一直执行。 [2]使用 count =0whilecount <5:print("Current count:", count) count +=1print("Loop finished!")# Current count: 0# Current count: 1# Current count: 2# Current count: 3# Current ...
The while Loop With thewhileloop we can execute a set of statements as long as a condition is true. 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 »...
Python 复制 # Create the variable for user input user_input = '' # Create the list to store the values inputs = [] # The while loop while user_input.lower() != 'done': # Check if there's a value in user_input if user_input: # Store the value in the list inputs.append(...