adii1823
21 lines
413 B
Python
21 lines
413 B
Python
# performance.map.py
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from time import time
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mx = 2 * 10 ** 7
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t = time()
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absloop = []
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for n in range(mx):
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absloop.append(abs(n))
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print('for loop: {:.4f} s'.format(time() - t))
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t = time()
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abslist = [abs(n) for n in range(mx)]
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print('list comprehension: {:.4f} s'.format(time() - t))
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t = time()
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absmap = list(map(abs, range(mx)))
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print('map: {:.4f} s'.format(time() - t))
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print(absloop == abslist == absmap)
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