python_reference/timeit_test.py at master · wavelets/python_reference · GitHub

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# Sebastian Raschka, 03/2014

# comparing string formating: %s and .format()

import timeit

format_res = timeit.timeit("['{}'.format(i) for i in range(10000)]", number=1000)

binaryop_res = timeit.timeit("['%s' %i for i in range(10000)]", number=1000)

print('{}: {}\n{}: {}'.format('format()', format_res, '%s', binaryop_res))

################################

# On my machine

################################

# Python 3.4.0

# MacOS X 10.9.2

# 2.5 GHz Intel Core i5

# 4 GB 1600 Mhz DDR3

################################

# format(): 2.815331667999999

# %s: 1.630353775999538

################################

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