.. code-block:: sh
- $ python -m timeit '"-".join(str(n) for n in range(100))'
- 10000 loops, best of 3: 40.3 usec per loop
- $ python -m timeit '"-".join([str(n) for n in range(100)])'
- 10000 loops, best of 3: 33.4 usec per loop
- $ python -m timeit '"-".join(map(str, range(100)))'
- 10000 loops, best of 3: 25.2 usec per loop
+ $ python3 -m timeit '"-".join(str(n) for n in range(100))'
+ 10000 loops, best of 3: 30.2 usec per loop
+ $ python3 -m timeit '"-".join([str(n) for n in range(100)])'
+ 10000 loops, best of 3: 27.5 usec per loop
+ $ python3 -m timeit '"-".join(map(str, range(100)))'
+ 10000 loops, best of 3: 23.2 usec per loop
This can be achieved from the :ref:`python-interface` with::
>>> import timeit
>>> timeit.timeit('"-".join(str(n) for n in range(100))', number=10000)
- 0.8187260627746582
+ 0.3018611848820001
>>> timeit.timeit('"-".join([str(n) for n in range(100)])', number=10000)
- 0.7288308143615723
+ 0.2727368790656328
>>> timeit.timeit('"-".join(map(str, range(100)))', number=10000)
- 0.5858950614929199
+ 0.23702679807320237
+
Note however that :mod:`timeit` will automatically determine the number of
repetitions only when the command-line interface is used. In the