Upload 1B.py

1B.py

@@ -0,0 +1,23 @@
+def binary_sum(S, start, stop): 
+    if start>=stop: 
+        return 0 
+    elif start == stop-1: 
+        return S[start] 
+    else: 
+        mid= (start+stop)//2 
+        return binary_sum(S, start, mid)+binary_sum(S, mid,stop) 
+print("\t summing the elements of a sequence using binary recursion") 
+print("\t -----------------------------------------") 
+S=[] 
+print("Input") 
+print("- - - - -") 
+n=int(input("enter the no of elements:")) 
+print("Enter the elements one by one:") 
+for i in range(n): 
+    m=int(input()) 
+    S.append(m) 
+print("The given sequence of elements=",S) 
+r=binary_sum(S, 0, n) 
+print("output") 
+print("- - - - - -") 
+print("The given sum of sequence of elements=",r)