[Python] dictionary

** How to make a dictionary ** {Key 1: Value 1, Key 2: Value 2} Note that the list and parentheses {} are different

fruits = {"apple":"Apple" , "banana":"banana" , "strawberry":"Strawberry"}

output Dictionary [key] Pay attention to the parentheses [] when outputting

fruits = {"apple":"Apple" , "banana":"banana" , "strawberry":"Strawberry"}

print("apple" + fruits["apple"] + "is")

Output result apple is an apple

** Element update ** Dictionary [key] = value

fruits = {"apple":"Apple" , "banana":"banana" , "strawberry":"Strawberry"}

fruits["banana"] = "Banana"

** Add element ** Dictionary [new key] = value

fruits = {"apple":"Apple" , "banana":"banana" , "strawberry":"Strawberry"}

fruits["kiwi"] = "Kiwi"

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