Python basics: dictionary

Dictionary type

A method also called a hash It is a set of key and value.

The caveat is to use {}.

city = {"Key 1": "Value 1", "Key 2": "Value 2"}

Extraction of dictionary

Call by specifying the key.

dic ={"book": "kokugo", "name": "yamada"}
print(dic["book"]) 
#output: kokugo

Overwrite and add

Overwrite


dic ={"book": "kokugo", "name": "yamada"}
dic["book"] = "sugaku"
print(dic) 

#output:　{"book": "suugaku", "name": "yamada"}

add to


dic ={"book": "kokugo", "name": "yamada"}
dic["seibetu"] = "men"

print(dic) 
#output: {"book": "kokugo", "name": "yamada", "seibetu": "men"}

Delete element

Delete


dic = {"book": "kokugo", "name": "yamada", "seibetu": "men"}
del dic["book"] 
#Delete the specified element
print(dic) 
#output: {"name": "yamada", "seibetu": "men"}

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