How to emulate a do-while loop?
In Python, you can emulate a do-while loop by using a while True loop with a break statement. Here's an example:
while True:
# code to be executed
if <condition>:
break
In this example, the code inside the while loop will continue to execute until the <condition>
is met, at which point the loop will break and the program will continue to execute any code that comes after the loop.
It's important to note that if you forget to add a break
statement inside the loop, the loop will continue to run indefinitely, causing the program to hang or crash.
Another option is using the loop-else
block,
while <condition>:
# code to be executed
else:
# code to be executed after loop completion
This block will also ensure that the code inside the loop is executed at least once before checking the condition
while True:
# code to be executed
if <condition>:
break
else:
# code to be executed after loop completion
It should be noted that, else
block will not be executed if the loop is broken by break
statement.