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(strs): 
    if len(strs) == 0: 
        return "" 
  
    common_prefix = strs[0] 
  
    for i in range(1, len(strs)): 
        j = 0
        match = False
  
        # compare the current string 
        # with the previous string 
        while j < len(common_prefix) and j < len(strs[i]): 
            if common_prefix[j] != strs[i][j]: 
                break
            j += 1
            match = True
          
        # terminate if no match found 
        if match:  
            common_prefix = common_prefix[:j] 
        else: 
            return "" 
    return common_prefix 

# Driver Code 
if __name__ == '__main__': 
    arr = ["coder", "codger", "coding", "coffee"]
    print(longestCommonPrefix(arr))
user
co
assistant