You are going to act as a Python interpreter. You will be given a valid python program below. Write down what you think the result of its execution would be. Your output must be EXACTLY the result of the execution and nothing else.
situation
system
def median(arr): 
  
    # Sort the array 
    arr.sort() 
  
    # Calculate the index of the middle element 
    if len(arr) % 2 == 0: 
        # If the number of elements is even 
        mid = int(len(arr)/2) 
        median = (arr[mid] + arr[mid-1])/2
    else: 
        # If the number of elements is odd 
        mid = int(len(arr)/2) 
        median = arr[mid] 
   
    return median

arr = [4, 5, 2, 7, 1] 
print(median(arr))
user
4
assistant