1 files changed, 9 insertions, 0 deletions
diff --git a/progs/a955.py b/progs/a955.py
new file mode 100644
index 0000000..ac920a1
--- /dev/null
+++ b/progs/a955.py
@@ -0,0 +1,9 @@
+def binomial_Coeff(n,k): 
+    C = [0] * (k + 1); 
+    C[0] = 1; # nC0 is 1 
+    for i in range(1,n + 1):  
+        for j in range(min(i, k),0,-1): 
+            C[j] = C[j] + C[j - 1]; 
+    return C[k]; 
+def sum_Of_product(n): 
+    return binomial_Coeff(2 * n,n - 1); 
+\ No newline at end of file