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If k =0 or there are duplicates in test_list

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#1

test_dict=dict()

for item in test_list:
test_dict[item]=0

sorted_list =sorted(test_dict.keys(), reverse=True)
if k==0:
kth_max=None
else:
kth_max=sorted_list[k-1]

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#2

Hi @Tatenda_Zhou

For

It will return the minimum value, and as far as the duplicate values go, yes your solution is correct. Still, you have to remove reverse=True from sorted() because that will sort the list in descending order, and your algorithm will start to work for the kth minimum value.