Feat: contains-duplicate Solution

Author: o-ddong

contains-duplicate/oddong.py

@@ -0,0 +1,19 @@
+a = [1, 2, 3, 5, 4]
+
+a.sort()
+
+print(a)
+print(set(a))
+print(type(set(a)))
+
+convert_list_to_set = list(set(a))
+
+print()
+print(a)
+print(convert_list_to_set)
+print()
+
+if a == convert_list_to_set:
+    print(True)
+else:
+    print(False)