remove a key-value pair from a map in csharp

To remove a key-value pair from a Dictionary object in C#, you can use the Remove method. Here's an example:

main.cs
// create a new dictionary
Dictionary<string, int> myDict = new Dictionary<string, int>();

// add some key-value pairs
myDict.Add("apple", 1);
myDict.Add("orange", 2);
myDict.Add("banana", 3);

// remove a key-value pair by key
myDict.Remove("orange");
254 chars
11 lines

In this example, we create a new Dictionary object called myDict, and add three key-value pairs to it. Then, we use the Remove method to remove the key-value pair where the key is "orange". After this code is executed, myDict will only contain the key-value pairs for "apple" and "banana".