Model lab examination shits :)

binary_search.py

def binary_search(arr, target):
    left = 0
    right = len(arr) - 1
    
    while left <= right:
        mid = (left + right) // 2
        if arr[mid] == target:
            return mid
        elif arr[mid] < target:
            left = mid + 1
        else:
            right = mid - 1
            
    return -1  

lower, upper = map(int, input("Enter lower and upper bound: ").split(" "))

arr = list(map(int, input("Enter numbers: ").split(" ")))

# Modification
# Filter out numbers that are not in the range
l = [x for x in arr if x >= lower and x <= upper]

target = int(input("Enter number to search: "))

result = binary_search(l, target)
if result != -1:
    print(f"Element found at index {result}")
else:
    print("Element not found")