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Tag: python-3.x

Python – Store cryptography keys in SQL database

Working on a “Password Saver” and will be using the module “cryptography” to encrypt the passwords. I need to save the key you generate from cryptography in the database as well, but I am not sure how you actually do this. Done some google searches myself and it seems to be called a &#…

How does Python hash itertools.count()?

I am trying to understand the underlying mechanics behind hash(itertools.count(x, y)). I am not used to looking deeply into CPython implementations, but I noticed that in itertoolsmodule.c the static PyTypeObject count_type has 0 for tp_hash. I am assuming that this means that it does not implement hash in C.…

What makes the difference by creating a set in this code?

Given a list of numbers and a number k, return whether any two numbers from the list add up to k. For example, given [10, 15, 3, 7] and k of 17, return true since 10 + 7 is 17. Bonus: Can you do this in one pass? I wrote my code like this and i got right answer for the above input And checked others code too …