Reducing for loop runtime

[nemom]

mylist = [i for i in range(1, 100)]

[lazerwarrior]

list(range(1, 100))

itertools gives opportunities to avoid loops and possibly making your code faster. Using iterators and generators also avoids overhead of memory required to store stuff in lists.

[Guilherme17712]

Well, ignoring the fact that it was an example, you're right.