Add Item to a Dictionary in Swift

First, let’s create a Dictionary with two elements.

var myDictionary = ["first_name": "Sergey", "last_name": "Kargopolov"]
print(myDictionary)

Now we can add a new key with a value.

myDictionary["user_id"] = "f5h7ru0tJurY8f7g5s6fd"

We should now have 3 key-value pairs printed

print(myDictionary)

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