Amazon | OA | SDE1 | Coding Questions and Solutions | 2022 | Set-104 | Great Britain

Question

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Answer 1

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```
numbers=[4,5,6,7,9,1,3]

def encrypt(arr):
    if len(arr)<=1:
        return arr
    
    newarr=[]
    for i in range(len(arr)):
        if i+1<len(arr):
            newarr.append((arr[i]+arr[i+1])%10)
    
    return encrypt(newarr)

print(encrypt(numbers)[0])

```