Python Programming Language | Dictionaries in Python | Lecture 9
Python Programming Language: Computer Application
Python Programming Language | Dictionaries in Python | Lecture 9
Review:
In the previous video we studied about set and set operations
When do we use sets in programming: What are the advantages of using sets in programming:
We also saw what are Frozensets
Frozensets are important when we discuss dictionaries
In this video we shall see Dictionaries in Python:
What is a dictionary?
What are some of the methods that we will be using with dictionaries?
Dictionaries are a collection of objects or elements, in which each element has a key and a value.
The key has to be immutable and the value can be anything.
Dictionary can be used with tuples
Various keys or commands used with dictionary are:
Clear, Get, Iteritems, Keys, Setdefaults, Viewitems, Copy, Has_key, Iterkeys, Pop, Update, Viewkeys, Fromkeys, Items, Itercalues, Popitems, Values, Viewvalues
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