You can test this code: import time
def test(n): m = 10 vals = [] keys = [] for i in xrange(m): vals.append(i) keys.append('a%s'%i) d = None for i in xrange(n): d = dict(zip(keys, vals)) return d if __name__ == '__main__': st = time.time() print test(1000000) print 'use:', time.time() - st -- HomePage: cat.appspot.com
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