<s>Human: 给定一个包含重复值的列表，编写一个Python函数，该函数将删除所有重复值，并按升序排列。函数应该能够处理任何数量的元素。输出函数代码。
列表：[1, 5, 2, 7, 4, 5, 9, 1]
</s><s>Assistant: def remove_duplicates(lst):
    """
    This function takes in a list and removes all duplicate elements from it
    while sorting the remaining elements in ascending order.
    """
    unique_lst = list(sorted(set(lst)))
    return unique_lst

# example usage
lst = [1, 5, 2, 7, 4, 5, 9, 1]
result = remove_duplicates(lst)
print(result) # prints [1, 2, 4, 5, 7, 9]
</s>