List comprehension: Returning two (or more) items for each item

StackOverflow

Is it possible to return 2 (or more) items for each item in a list comprehension?

What I want (example):

[f(x), g(x) for x in range(n)]

should return [f(0), g(0), f(1), g(1), ..., f(n-1), g(n-1)]

So, something to replace this block of code:

result = list()
for x in range(n):
    result.add(f(x))
    result.add(g(x))




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