Merge pull request codehouseindia#464 from rcode11/patch-1

codehouseindia · web-flow · commit 76c007407187 · 2020-10-09T16:30:26.000+05:30
Create binarySearch.py
diff --git a/binarySearch.py b/binarySearch.py
@@ -0,0 +1,28 @@
+def binary_search(arr, low, high, x): 
+  
+    if high >= low: 
+  
+        mid = (high + low) // 2
+  
+        if arr[mid] == x: 
+            return mid 
+ 
+        elif arr[mid] > x: 
+            return binary_search(arr, low, mid - 1, x) 
+  
+        else: 
+            return binary_search(arr, mid + 1, high, x) 
+  
+    else:  
+        return -1
+  
+# Test array 
+arr = [ 2, 3, 4, 10, 40 ] 
+x = 10
+  
+result = binary_search(arr, 0, len(arr)-1, x) 
+  
+if result != -1: 
+    print("Element is present at index", str(result)) 
+else: 
+    print("Element is not present in array") 
