onowdev
diff --git a/‎python/Interpolation_Search.py‎
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diff --git a/‎python/Z_Algorithm.py‎ ‎python/searching/Z_Algorithm.py‎python/Z_Algorithm.py renamed to python/searching/Z_Algorithm.py b/‎python/Z_Algorithm.py‎ ‎python/searching/Z_Algorithm.py‎python/Z_Algorithm.py renamed to python/searching/Z_Algorithm.py
diff --git a/‎python/searching/binarysearch.py‎
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+# Returns index of x in arr if present, else -1 
+# arr is the sorted array that is passed in the function
+# x is the element we are searching for,
+# l is the leftmost element and r the rightmost.
+def binarySearch(arr, l, r, x): 
+    # Check base case 
+    if r >= l: 
+        mid = l + (r - l) // 2
+
+        # If element is present at the middle itself 
+        if arr[mid] == x: 
+            return mid 
+        
+        # If element is smaller than mid, then it 
+        # can only be present in left subarray 
+        elif arr[mid] > x: 
+            return binarySearch(arr, l, mid-1, x) 
+
+        # Else the element can only be present 
+        # in right subarray 
+        else: 
+            return binarySearch(arr, mid + 1, r, x) 
+
+    else: 
+        # Element is not present in the array 
+        return -1
+
+# Driver Code 
+arr = [ 2, 3, 4, 10, 40 ] 
+x = 10
+
+# Function call 
+result = binarySearch(arr, 0, len(arr)-1, x) 
+
+if result != -1: 
+    print ("Element is present at index % d" % result) 
+else: 
+    print ("Element is not present in array")