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Jan 23rd, 2019
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  1. >>> lst = [1, 3, 5]
  2. >>> doubled = []
  3. >>> for num in lst:
  4. >>> doubled.append(num*2)
  5.  
  6. can be simplified to just one line:
  7.  
  8. >>> doubled = [num * 2 for num in lst]
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