Travis build: 133

README.md

@@ -661,12 +661,12 @@ initialize_list_with_values(5, 2) # [2, 2, 2, 2, 2]
 
 Returns a list of elements that exist in both lists.
 
-Create a `set` from `b`, then use list comprehension on `a` to only keep values contained in both lists.
+Create a `set` from `a` and `b`, then use the built-in set operator `&` to only keep values contained in both sets, then transform the `set` back into a `list`.
 
 ```py
 def intersection(a, b):
-  _b = set(b)
+  _a, _b = set(a), set(b)
-  return [item for item in a if item in _b]
+  return list(_a & _b)
 ```
 
 <details>

snippet_data/snippetList.json

@@ -558,14 +558,14 @@
       "type": "snippetListing",
       "title": "intersection",
       "attributes": {
-        "text": "Returns a list of elements that exist in both lists.\n\nCreate a `set` from `b`, then use list comprehension on `a` to only keep values contained in both lists.\n\n",
+        "text": "Returns a list of elements that exist in both lists.\n\nCreate a `set` from `a` and `b`, then use the built-in set operator `&` to only keep values contained in both sets, then transform the `set` back into a `list`.\n\n",
         "tags": [
           "list",
           "beginner"
         ]
       },
       "meta": {
-        "hash": "a332cce7b7d7e303469e8c39c4926bf92ecb12847c3932985cc633e3a85a23bb"
+        "hash": "d20f757b18d4368324bfa74bb907f5dc2df9262886ea3722edd5015418ce282d"
       }
     },
     {

snippet_data/snippets.json

@@ -739,9 +739,9 @@
       "type": "snippet",
       "attributes": {
         "fileName": "intersection.md",
-        "text": "Returns a list of elements that exist in both lists.\n\nCreate a `set` from `b`, then use list comprehension on `a` to only keep values contained in both lists.\n\n",
+        "text": "Returns a list of elements that exist in both lists.\n\nCreate a `set` from `a` and `b`, then use the built-in set operator `&` to only keep values contained in both sets, then transform the `set` back into a `list`.\n\n",
         "codeBlocks": {
-          "code": "def intersection(a, b):\n  _b = set(b)\n  return [item for item in a if item in _b]",
+          "code": "def intersection(a, b):\n  _a, _b = set(a), set(b)\n  return list(_a & _b)",
           "example": "intersection([1, 2, 3], [4, 3, 2]) # [2, 3]"
         },
         "tags": [
@@ -750,7 +750,7 @@
         ]
       },
       "meta": {
-        "hash": "a332cce7b7d7e303469e8c39c4926bf92ecb12847c3932985cc633e3a85a23bb"
+        "hash": "d20f757b18d4368324bfa74bb907f5dc2df9262886ea3722edd5015418ce282d"
       }
     },
     {