Dictionary methods - PowerPoint PPT Presentation

Guide to Programming with Python

Guide to Programming with Python. Chapter Five Lists and dictionaries (data structure); The Hangman Game. Sequences so far. Strings &quot;&quot; , tuples () General sequence functions/operators/methods len(seq) &quot;w&quot; in &quot;word&quot; seq[i] (indexing) seq[beg:end] (slicing) seq1 + seq2 (concatenation)

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Lecture 20

Lecture 20. Dictionaries. What is a dictionary?. In a list we can identify an retrieve an item by its position or index. A dictionary uses key, value pairs. This association between a key and its value is called a mapping . Here is an example of a dictionary:

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