ADD : contains-duplicate/heypaprika.py

Author: heypaprika

contains-duplicate/heypaprika.py

@@ -0,0 +1,10 @@
+class Solution:
+    def containsDuplicate(self, nums: List[int]) -> bool:
+        num_dict = {}
+        for num in nums:
+            if num in num_dict:
+                return True
+            else:
+                num_dict[num] = 1
+        return False
+