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 longestCommonPrefix(input_array): 
    if len(input_array) == 0: 
        return ""  
    if len(input_array) == 1: 
        return input_array[0]
  
    # sort the array    
    input_array.sort()  
  
    # take first and last element from the 
    # sorted array and find the common prefix 
    # among them 
    endString = input_array[0] 
    startString = input_array[len(input_array)-1] 
  
    # initialize i for loop 
    i = 0
    resultString = "" 
    while i < len(endString) and i < len(startString): 
        if endString[i] != startString[i]: 
            break
        resultString = resultString + endString[i] 
        i = i+1
  
    return resultString

input_array = ["programming", "prog", "prompt"]
print("The longest common prefix is:", longestCommonPrefix(input_array))
user
The longest common prefix is: pro
assistant