My Python for loop is causing a MemoryError. How can I optimize this?

Question

I\'m trying to compile a list of all the MAC address Apple devices will have. oui.txt tells me Apple has been assigned 77 MAC ranges to use. These ranges come i

Answer 1

Well, to start with, range(1, 1291845633) creates a list containing about a billion entries. Since each entry is at least sizeof(Py_Object), it's not too surprising that you run right out of memory. Don't do that.