From 6ba3e6da6ff10a414087c7178725ab19f4543170 Mon Sep 17 00:00:00 2001
From: ragu-1997 <81232337+ragu-1997@users.noreply.github.com>
Date: Sat, 22 Oct 2022 13:17:26 +0530
Subject: [PATCH] Create binary_search.py

---
 Python/binary_search.py | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 Python/binary_search.py

diff --git a/Python/binary_search.py b/Python/binary_search.py
new file mode 100644
index 00000000..b03237a8
--- /dev/null
+++ b/Python/binary_search.py
@@ -0,0 +1,39 @@
+# Python 3 program for recursive binary search.
+# Modifications needed for the older Python 2 are found in comments.
+
+# Returns index of x in arr if present, else -1
+def binary_search(arr, low, high, x):
+
+	# Check base case
+	if high >= low:
+
+		mid = (high + low) // 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 binary_search(arr, low, mid - 1, x)
+
+		# Else the element can only be present in right subarray
+		else:
+			return binary_search(arr, mid + 1, high, x)
+
+	else:
+		# Element is not present in the array
+		return -1
+
+# Test array
+arr = [ 2, 3, 4, 10, 40 ]
+x = 10
+
+# Function call
+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")