ecs10-11-28

Name mydictferret mydictferret value key curly braces

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Unformatted text preview: ue, use key as index. name = myDict["ferret"] myDict["ferret"] value key Curly braces {} indicate a dictionary {} is the empty dictionary. Use square brackets for indexing, just like a list. Structure of Database Program Part 1: Reads in data, builds a data structure. Usually has to read whole file. Can be very slow, but only done once. Using a Dictionary Initialize the empty dictionary: dataBase = {} Add values, use key as "index" dataBase[name] dataBase[name] = district Look up values using key as "index" district = dataBase[name] dataBase[name] Test if key is used in dictionary name in dataBase Part 2: gets and...
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This note was uploaded on 04/14/2008 for the course ECS 10 taught by Professor Amenta during the Fall '07 term at UC Davis.

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