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Dictionary / set derivation

Similar to the list derivation we use, we can also use dictionary / set derivation, which is simple and effective to use. Here is an example:

TestDict= {I: I * iforiinxrange (10)} testSet= {I * 2foriinxrange (10)} print (testSet) print (testDict) # set ([0,2,4,6,8,10,12,14,16,18]) # {0: 0,1: 1, 2: 4, 3: 9, 4: 16, 5: 25, 6: 36, 7: 49, 8: 64, 9: 81}

Note: only one of the two statements is different, and when the above code is run in Python3, it will be changed to.

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