Binary Search using Python | Data Structures and Algorithms

Code:

Note:- Scroll horizontally to see the full line of code.

def binary_search(a,target):
    # a is list of intergers and target is key element to be searched
    start=0
    end=len(a)-1
    while(start<=end):
        mid=int((start+end)/2)
        if(a[mid]==target):
            print(target,"is present at index",mid)
            break
        elif(target>a[mid]):
            start=mid+1
        elif(target<a[mid]):
            end=mid-1
    else:
        print(target,"not found in list")

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