diff --git a/codeforces/C/1527c.py b/codeforces/C/1527c.py
new file mode 100644
index 0000000..d454d09
--- /dev/null
+++ b/codeforces/C/1527c.py
@@ -0,0 +1,10 @@
+from collections import defaultdict as dd
+for _ in range(int(input())):
+    n = int(input())
+    l = list(map(int,input().split()))
+    d = dd(int)
+    s=0
+    for i in range(n):
+        s += d[l[i]]*(n-i)
+        d[l[i]]+=i+1
+    print(s)