The keys property returns just the keys of the dictionary.
Example
keys Syntax
The syntax of the dictionary keys property is:
dictionary.keys
Here, dictionary is an object of the Dictionary class.
keys Return Values
The keys property returns an array of all the keys of dictionary.
Example 1: Swift Dictionary keys
Output
["Sinner", "Nadal", "Alcaraz"]
In the above example, we have used the keys property to return an array of just the keys of the information dictionary.
Example 2: Using keys With for Loop
Output
Nadal Alcaraz Sinner
Here, we have used the for loop to iterate through all the keys of the informations dictionary.
Finally, all the keys of informations are printed one at a time.