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User = raw_input('Enter <Carriage return> only to exit: ') while True: #Run my program print 'In the loop, User=%r' % (User, ) # Check if the user asked to terminate the loop. if User == '': break # Give the user another chance to exit.
1 lis 2012 · 20 Answers. Sorted by: 193. The easiest way is to just interrupt it with the usual Ctrl-C (SIGINT). try: while True: do_something () except KeyboardInterrupt: pass. Since Ctrl-C causes KeyboardInterrupt to be raised, just catch it outside the loop and ignore it. edited Nov 1, 2012 at 16:18. SilentGhost. 318k67310293.
In this tutorial, you'll learn about indefinite iteration using the Python while loop. You’ll be able to construct basic and complex while loops, interrupt loop execution with break and continue, use the else clause with a while loop, and deal with infinite loops.
24 lut 2023 · There are three loop control statements you can use to exit a loop in Python: break, continue, and pass. Any object that can return one member of its group at a time is an iterable object in Python. There is no do while loop in Python, but you can modify a while loop to achieve the same functionality.
While loops are mostly used when there’s an unknown number of operations to be performed, and a condition needs to be checked at each iteration. Break & Continue. You can interrupt the while loop using the break keyword. We normally do this to interrupt a cycle due to a separate condition.
Example. = 1 while i < 4: print(i) i += 1. >> 1. >> 2. >> 3. With the while loop we can execute a set of statements as long as a condition is true. In this example the condition was that i must be less than 4.
There are 2 kinds of loops used in Python - the for loop and the while loop. for loops are traditionally used when you have a piece of code which you want to repeat n number of times. They are also commonly used to loop or iterate over lists.
