I've seen instances where qsize()
and len()
has been used to compute the size of the queue. What is the distinction between the two?
To get the length of a queue in Python:Use the len() function to get the length of a deque object. Use the qsize() method to get the length of a queue object.
The queue. size() function in C++ returns the number of elements in the queue. In short, this function is used to get the current size of the queue.
The method qsize() returns the number of elements present in a queue.
List is a Python's built-in data structure that can be used as a queue.
For most containers, you'll want len
, but Queue.Queue
doesn't actually support len
. This may be because it's old or because getting the length of a queue in a multithreaded environment isn't particularly useful. In any case, if you want the (approximate) size of a Queue
, you want qsize
.
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