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Comment by kerpal | Hacker News Reader

Thanks for this write up. I didn't know about enumerate. I never thought of swapping variables as in example 4 either.

I noticed one small mistake in section 9:

  d[keys] = values[i]

Should be:

  d[key] = values[i]

For a good few months I was doing

    for i in range(len(input_list)):
        v = input_list[i]
        ...do something with v and i...

enumerate is much nicer!

    for i, v in enumerate(input_list):
        ...