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February 13, 2022 21:04
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Compare speed of different ways of constructing a list.
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| stmt_index = 'ls = [0]*10000\nfor i in range(10000):\n ls[i] = i\n' | |
| stmt_append = 'ls = []\nfor i in range(10000):\n ls.append(i)\n' | |
| stmt_comprehension = '[i for i in range(10000)]' | |
| t_index = timeit(stmt_index, number=10000) | |
| # >>> 3.06s | |
| t_append = timeit(stmt_append, number=10000) | |
| # >>> 4.23s | |
| t_comprehension = timeit(stmt_comprehension, number=10000) | |
| # >>> 2.07s | |
| t_numpy = timeit('ls = arange(10000)', setup='from numpy import arange', number=1000) | |
| # >>> 0.05s |
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