YouTube Link: https://youtu.be/rZjhId0VkuY ** Python Certification Training: https://www.edureka.co/python ** This Edureka PPT on 'Dictionary In Python' will help you understand the concept of dictionary, why and how we can use dictionary in python and various operations that we can perform on a dictionary. Below are the topics covered in this PPT: What Is A Dictionary In Python? Why Use A Python Dictionary? Lists vs Dictionary How To Implement A Dictionary In Python? Operations In Python Dictionary Use Case - Nested Dictionary Python Tutorial Playlist: https://goo.gl/WsBpKe Blog Series: http://bit.ly/2sqmP4s Follow us to never miss an update in the future. YouTube: https://www.youtube.com/user/edurekaIN Instagram: https://www.instagram.com/edureka_learning/ Facebook: https://www.facebook.com/edurekaIN/ Twitter: https://twitter.com/edurekain LinkedIn: https://www.linkedin.com/company/edureka Castbox: https://castbox.fm/networks/505?country=in

2. What Is Dictionary In Python?
Why Use A Python Dictionary?
Dictionary vs Lists
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How To Implement Python Dictionary?
Operations In Python Dictionary
Use Case

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A dictionary is a collection data type which has key value pairs.
UNORDERED
MUTABLE
INDEXED
NO DUPLICATE MEMBERS

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6. Why Use A
Python
Dictionary?
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Unordered and stores values like a map
Contains key value pairs unlike other
data types
Similar to real life dictionary with
distinct key values

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8. Dictionary
Vs
Lists
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Dictionary List
Unordered Ordered
Accesses via keys Accessed via index
Collection of key value pairs Collection of elements
Preferred when you have
unique key values
Preferred for ordered data
No duplicate members Allows duplicate members

9. How To Implement Dictionary In Python?
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10. How To
Implement
Dictionary In
Python?
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Dictionary in python is declared inside curly brackets.
mydictionary = { ‘key’ : ‘value’,
‘key2’: ‘value2’,
‘key3’: ‘value3’
}
mydictionary[‘key’]
mydictionary.get(‘key’)

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12. Operations
In Python
Dictionary
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#adding an element
mydictionary[‘key4’] = ‘value4’
#replacing an element
mydictionary[‘key1’] = ‘edureka’
• clear()
• copy()
• values()
• update()
• fromkeys()
• get()
• items()
• keys()
• pop()
• popitem()
• setdefault()

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14. Use Case
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Problem Statement : Store the Indian World cup squad data
for 2019.You should be able to display the stats of any player
from the data.
Store the data in the dictionary
Implement a dictionary
Import pandas package
Make unique keys
Use data frame to display stats

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