as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
design a program that can find the kth smallest element in an array.
user
def kthsmallest(arr, n, k): 
    # sort the array 
    arr.sort() 
    # return k'th element in the sorted array 
    return arr[k-1] 
  
# driver code 
# output should be 5
arr = [12, 3, 5, 7, 19] 
n = len(arr) 
k = 3
print(kthsmallest(arr, n, k))
assistant