• anonymous
I am on PS4 I dont understand why if (i + shift) < len(uppercase): coder[uppercase[i]] = uppercase[i + shift] returns key value pair in dict when i is 0 and shift is - 2 (as happens in prob set sol with decoder) as there is no index -2 in uppercase string interestingly ' ' as key gives 'x' why is this so
MIT 6.00 Intro Computer Science (OCW)
  • schrodinger
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  • anonymous
the shell (or idle) is a great place to play and experiment from the Tutorial in the Python documentation: an intro to slices in this strings section and see note 3 from: The Python documentation should be installed on your computer - the Tutorial is a must-read.
  • anonymous
Thanks bwCA Sorted

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