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# Python binary search function
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def binary_search(arr, target):
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left = 0
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right = len(arr) - 1
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while left <= right:
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mid = (left + right) // 2
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if arr[mid] == target:
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return mid
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elif arr[mid] < target:
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left = mid + 1
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else:
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right = mid - 1
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return -1
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# Usage
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arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
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target = 7
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result = binary_search(arr, target)
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if result != -1:
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print(f"Element is present at index {result}")
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else:
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print("Element is not present in array")
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