What is the method to end the function once a list with distinct elements is achieved?

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The method to end the function once a list with distinct elements is achieved would depend on the programming language being used and the specific implementation of the function.

In general, one approach could be to use a loop to iterate through the elements of the list and check if each element is already in a separate set or list of distinct elements. If it is not already in the distinct set or list, then it is added. Once the length of the distinct set or list is equal to the length of the original list, then the function can exit the loop and return the distinct set or list.

Here is an example in Python:

def get_distinct_elements(input_list):
    distinct_elements = set()
    for element in input_list:
        if element not in distinct_elements:
            distinct_elements.add(element)
        if len(distinct_elements) == len(input_list):
            return list(distinct_elements)
    return list(distinct_elements)

In this implementation, the function uses a set to keep track of the distinct elements and checks if the length of the set is equal to the length of the input list. Once the lengths are equal, the function returns the set converted back to a list.