[Term Entry] Dart Maps: .remove()

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content/dart/concepts/map/terms/remove/remove.md

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+---
+Title: '.remove()'
+Description: 'Removes the specified key and its associated value from a map.'
+Subjects:
+  - 'Computer Science'
+  - 'Web Development'
+Tags:
+  - 'Methods'
+  - 'Dart'
+  - 'Lists'
+CatalogContent:
+  - 'learn-dart'
+  - 'paths/computer-science'
+---
+
+In Dart, the `.remove()` method removes the specified key and its associated value from a map. If the key-value pair is removed, it returns the value associated with the removed key. Otherwise, it returns `null` and the map remains unchanged.
+
+## Syntax
+
+```pseudo
+map_name.remove(key)
+```
+
+- `map_name`: The name of the map to be checked.
+- `key`: The entry key to be removed from the map.
+
+## Example
+
+In the following example, the `.remove()` method is used to remove en entry with the key `c` from a map:
+
+```dart
+void main() {
+  Map<String, int> myMap = {'a': 1, 'b': 2, 'c': 3};
+  print('Original Map: $myMap');
+
+  // Removing an entry with the key 'c' from the map
+  myMap.remove('c');
+  print('Map after removing the entry with the key "c": $myMap');
+}
+```
+
+Here is the output for the above example:
+
+```shell
+Original Map: {a: 1, b: 2, c: 3}
+Map after removing the entry with the key "c": {a: 1, b: 2}
+```