Create combinations - dealing with duplicates in combinations

Author: amruthamanoj

combinations - dealing with duplicates in combinations

@@ -0,0 +1,17 @@
+from itertools import combinations 
+import numpy as np  
+def dcomb(l, r): 
+  
+    # returns a list of all subsets of ur list 'l',  of length r 
+    
+    return set(list(combinations(l, r)))
+    print(combinations(l, r))
+    
+l = [1,2,2,4] #2 is duplicated
+r = 2
+dcomb(l, r)
+
+
+#print("total number of combinations =",len(dcomb(l, r))) 
+
+