range_contains.txt

In [4]: %timeit int(1001) in range(1000)
558 ns ± 6.22 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops each)

In [5]: %timeit int(100001) in range(100000)
567 ns ± 14.1 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops each)

In [6]: %timeit int(10000001) in range(10000000)
561 ns ± 8.6 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops each)

In [7]: %timeit int(1000000001) in range(1000000000)
558 ns ± 6.59 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops each)

In [8]: %timeit int(100000000001) in range(100000000000)
583 ns ± 4.33 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops each)