contains-duplicate

Author: Jay-Mo-99

contains-duplicate/Jay-Mo-99.py

@@ -0,0 +1,12 @@
+class Solution(object):
+    def containsDuplicate(self, nums):
+        """
+        :type nums: List[int]
+        :rtype: bool
+        """
+        #sets don't allow duplicate elements.
+        #If the length of the set created from nums is different from the original list(nums), It means there are duplicates. 
+        if len(list(set(nums))) == len(nums): 
+            return False
+        else:
+            return True