The removeValue() method removes the certain key and its associated value from the dictionary.
Example
removeValue() Syntax
The syntax of the removeValue() method is:
dictionary.removeValue(forKey: key)
Here, dictionary is an object of the Dictionary class.
removeValue() Parameters
The removeValue() method takes one parameter:
key- The key to remove along with its associated value.
removeValue() Return Value
- The
removeValue()method returns the removed value from dictionary.
Example: Swift removeValue()
Output
Before: ["Two": 2, "one": 1, "Three": 3] After: ["Two": 2, "one": 1]
In the above example, we have created a dictionary named numbers with three key-value pairs.
Here, we have used the removeValue() method to remove the key named "Three" and its associated value 3.