what is dictionary used for in python code example

Example 1: python make a dictionary

#title			: Dictionary Example
#author         : Joyiscold
#date           : 2020-02-01
#====================================================

thisdict = {
	"brand": "Ford",
 	"model": "Mustang",
 	"year": 1964
}

#Assigning a value
thisdict["year"] = 2018

Example 2: python dictionary

#title			:Dictionary Example
#author         :Josh Cogburn
#date           :20191127
#github         :https://github.com/josh-cogburn
#====================================================

thisdict = {
	"brand": "Ford",
 	"model": "Mustang",
 	"year": 1964
}

#Assigning a value
thisdict["year"] = 2018

Example 3: dictionary in python

thisdictionary = {'key':'value','key1':'value1'}
print(thisdictionary['key'])