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  1. numbers = [1, 25, 31, 42, 45, 52, 59, 63, 66, 70]
  2. allnumbers = [1, 2, 9, 25, 26, 30, 31, 35, 42, 49, 45, 51, 52, 55, 59, 60, 63, 65, 66, 70]
  3.  
  4. smaller_list = set(numbers)
  5. bigger_list = set(allnumbers)
  6.  
  7. numbers_matched = len(bigger_list.intersection(smaller_list))
  8. print(numbers_matched)
Success #stdin #stdout 0.02s 9216KB
stdin
Standard input is empty
stdout
10