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Python - set - operations

furas Jun 23rd, 2018 (edited) 87 Never
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  1. print('\n--- data1 ---\n')
  2. data1 = set(["hi", "hello", "hallo"])
  3. print(data1)
  4. # different order {'hi', 'hallo', 'hello'}
  5.  
  6. print('\n--- data2 ---\n')
  7. data2 = set(["hello", "hey", "hello", "hey", "hello", "hey"])
  8. print(data2)
  9. # remove duplicate elements
  10. # {'hey', 'hello'}
  11.  
  12. print('\n--- data2 & data1 ---\n')
  13. print(data2 & data1)
  14. # common elements
  15. # elements which exists in both at the same time
  16. # {'hello'}
  17.  
  18. print('\n--- data2 | data1 ---\n')
  19. print(data2 | data1)
  20. # all elements from both
  21. # {'hi', 'hello', 'hallo', 'hey'}
  22.  
  23. print('\n--- data2 ^ data1 ---\n')
  24. print(data2 ^ data1)
  25. # elements which exists only in data1 or only in data2
  26. # but not in both at the same time
  27. # {'hey', 'hi', 'hallo'}
  28.  
  29. print('\n--- data2 - data1 ---\n')
  30. print(data2 - data1)
  31. # remove data1 from data2
  32. # {'hey'}
  33.  
  34. '''
  35. --- data1 ---
  36.  
  37. {'hi', 'hallo', 'hello'}
  38.  
  39. --- data2 ---
  40.  
  41. {'hey', 'hello'}
  42.  
  43. --- data2 & data1 ---
  44.  
  45. {'hello'}
  46.  
  47. --- data2 | data1 ---
  48.  
  49. {'hi', 'hello', 'hallo', 'hey'}
  50.  
  51. --- data2 ^ data1 ---
  52.  
  53. {'hey', 'hi', 'hallo'}
  54.  
  55. --- data2 - data1 ---
  56.  
  57. {'hey'}
  58. '''
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