Want to create a #Python dict? You have options; which is fastest? - Literal, with {'a':10, 'b':20}: 37.8 ns - Invoke dict(a=10, b=20): 58.5 ns - Invoke dict on a list of tuples, dict([('a', 10), ('b', 20)]): 103 ns - Comprehension, {c : ord(c) for c in 'ab'}: 78 ns

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