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  1. from timeit import timeit
  2.  
  3. foo = lambda: 'a' in '123456789'
  4. bar = lambda: ord('0') <= ord('a') <= ord('9')
  5.  
  6.  
  7. print [timeit(f) for f in (foo, bar)]
Success #stdin #stdout 0.74s 10840KB
stdin
Standard input is empty
stdout
[0.2140510082244873, 0.4389171600341797]