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 lis(arr):
    n = len(arr)
 
    # Initialize LIS values for all indices 
    lis = [1]*n
 
    # Compute optimized LIS values in bottom up manner 
    for i in range (1 , n):
        for j in range(0 , i):
            if arr[i] > arr[j] and lis[i] < lis[j] + 1 : 
                lis[i] = lis[j]+1 
 
    # Initialize maximum to 0 to get the maximum of all LIS 
    maximum = 0
 
    # Pick maximum of all LIS values 
    for i in range(n): 
        maximum = max(maximum , lis[i]) 
 
    return maximum 
 
arr = [3,4,-1,0,6,2,3]
print('Length of LIS is', lis(arr))
user
Length of LIS is 4
assistant