diff --git a/Codechef/SeptemberLong/TREE2.py b/Codechef/SeptemberLong/TREE2.py
new file mode 100644
index 0000000..96c2199
--- /dev/null
+++ b/Codechef/SeptemberLong/TREE2.py
@@ -0,0 +1,10 @@
+# cook your dish here
+t = int(input())
+for _ in range(t):
+    n = int(input())
+    x = ( list(map(int,input().strip().split())))
+    x = set(x)
+    if 0 in x :
+        print(len(x)-1)
+    else :
+        print(len(x))
\ No newline at end of file