Sentinel Search using Python | Data Structure and Algorithm

Code:

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

def sentinel_search(a,target):
    # a is list of intergers and target is key element to be searched
    a.append(target)
    i=0
    while(a[i]!=target):
        i+=1
    if(i<(len(a)-1)):
        print(target,"is present at index",i)
    else:
        print(target,"not found in list")

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