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Despite the title, this article does a real disservice to Python. For the purpose of constructing a generator, the author wrote: > In an object-oriented setti
by misterdoubt 7y ago
Despite the title, this article does a real disservice to Python.
For the purpose of constructing a generator, the author wrote:
> In an object-oriented setting like Python or Java, streams can be constructed from an interface
Yikes. itertools was introduced in, let's see... 2003?
- scardine 7y agoPython has both generator functions and generator expressions. A generator function is like this: def int_generator(): i = 0 while True: yield i i += 1 A generator expression looks like a list comprehension (a Python construct based on the set-builder notation in Math) and is used in situations where you don't really need to materialize the list - for example when you are just iterating over it in a `for` loop: for n, square in ((i, i * i) for i in int_generator()): print(f"{n}² = {square}") time.sleep(1)