Ways of copying a list in Python 2.7

copying.sh

$ python -m timeit -s 'seq = list(range(10))' '[o for o in seq]'
1000000 loops, best of 3: 1.75 usec per loop
$ python -m timeit -s 'seq = list(range(100))' '[o for o in seq]'
100000 loops, best of 3: 13.2 usec per loop
$ python -m timeit -s 'seq = list(range(1000))' '[o for o in seq]'
10000 loops, best of 3: 115 usec per loop
$ python -m timeit -s 'seq = list(range(10))' 'list(seq)'
1000000 loops, best of 3: 0.372 usec per loop
$ python -m timeit -s 'seq = list(range(100))' 'list(seq)'
1000000 loops, best of 3: 0.609 usec per loop
$ python -m timeit -s 'seq = list(range(1000))' 'list(seq)'
100000 loops, best of 3: 2.71 usec per loop
$ python --version
Python 2.7.14