Write a recursive Python function to perform binary search on a sorted list of numbers and return the index of the target element, or -1 if not found.
Line 1: Space-separated sorted integers. Line 2: Target integer.
Print the index or -1.
1 <= len(arr) <= 50
1 3 5 7 9 5
2
Compare middle element with target and recursively search left or right halves.
def binary_search(arr, low, high, target):
# Write your code here
pass
arr = list(map(int, input().split()))
target = int(input())
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