Merge pull request #49 from mikjunior/master

append is a list function

Author: programmdesign

docs/correctness/not_using_setdefault_to_initialize_a_dictionary.rst

@@ -17,7 +17,7 @@ Although there is nothing wrong with this code, it is unnecessarily verbose. Lat
     if "list" not in dictionary:
         dictionary["list"] = []
 
-    dictionary["list"].append["list_item"]
+    dictionary["list"].append("list_item")
 
 Best practice
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