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17 lines
350 B
Python
17 lines
350 B
Python
from time import process_time as clock
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from math import floor
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def reverse_list(list):
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count = floor(len(list) / 2)
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for i in range(count):
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last_index = len(list) - i - 1
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list[i], list[last_index] = list[last_index], list[i]
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return list
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N = 20000000
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l = list(range(N))
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start = clock()
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reverse_list(l)
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print('elapsed: ', clock() - start, 's')
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