Color Sorter

You are given a list of colors represented as strings. Your task is to sort these colors in the order of their appearance based on a predefined priority: ['red', 'green', 'blue']. If a color is not in the priority list, it should be placed at the end in the order of their first appearance. Print the sorted colors as a single line of space-separated values. Example Input: red green blue yellow red orange blue Example Output: red green blue red yellow orange