In timeit 11 10000000 loops best of 39 ns per loop In timeit 11 100000

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In [1]: %timeit 11
10000000 loops, best of 3: 39.7 ns per loop
In [2]: %timeit '11'
10000000 loops, best of 3: 39.5 ns per loop
In [3]: %timeit 111
10000000 loops, best of 3: 39.1 ns per loop
In [4]: %timeit '111'
10000000 loops, best of 3: 39.3 ns per loop
In [5]: %timeit '1'
10000000 loops, best of 3: 40.5 ns per loop
In [6]: %timeit 1
10000000 loops, best of 3: 37.7 ns per loop