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| #Serve current directory tree at http://$HOSTNAME:8000/ | |
| python -m SimpleHTTPServer | |
| #swap | |
| b, a = a, b | |
| # | |
| a = [1,2,3,4,5] | |
| a[::2] # iterate over the whole list in 2-increments [1,3,5] | |
| a[::-1] # reversed [5,4,3,2,1] |
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