Understanding generators in Python - Stack Overflow
Python 2.5 added the ability to pass values back in to the generator as well. In doing so, the passed-in value is available as an expression resulting from the yield statement which had temporarily returned …
Difference between Python's Generators and Iterators
What is the difference between iterators and generators? Some examples for when you would use each case would be helpful.
python - What can you use generator functions for? - Stack Overflow
The generator pauses at each yield until the next value is requested. If the generator is wrapping I/O, the OS might be proactively caching data from the file on the assumption it will be requested shortly, but …
What does the yield keyword do in Python, and when should I use a ...
Nov 26, 2025 · Is there a specific part of the documentation that you found unclear? Including your own example code showing a simple generator or a simple function returning a list would go a long way to …
python - How to loop through a generator - Stack Overflow
How can one loop through a generator? I thought about this way: gen = function_that_returns_a_generator(param1, param2) if gen: # in case the generator is null while …
How can I type hint a generator in Python 3? [duplicate]
The Iterator, Generator, and Iterable are slightly different in details and carry different type of information, so understanding the difference might help choosing the correct one for your code: …
Python Generator: Reading data from database - Stack Overflow
Apr 25, 2025 · Just going over a code snippet from this article for generator to read data from database: def generate_dataset(cursor): cursor.execute(query) for row in cursor.fetchall(): ...
How to convert a Python generator to async generator?
Nov 7, 2023 · The simplest and most direct answer to your question is to wrap the generator-iterator created by your generator function 'blocking' with a function or class that spins up a thread to …
What does the "yield" keyword do in Python? - Stack Overflow
Oct 24, 2008 · Yield in Python used to create a generator function. Generator function behaves like an iterator, which can be used in loop to retrieve items one at a time. When a generator function is …
When does python 3 execute the beginning of a generator function?
Sep 10, 2025 · 1 How does python know to [not execute the code immediately]? The short answer is that Python has a compilation step, during which it scans the entirety of the function, spots it is a …