from typing import List

def color_sort(L:List[str])->None:
    """
    Assume: L contains only instances of 'red', 'green', or 'blue'
    in no particular order.
    
    Mutates L by rearranging the strings such that all 'red' appear
    first, followed by 'green', then 'blue'.
    
    >>> L1 = ['blue', 'blue', 'red', 'blue', 'green', 'blue', 'red', 'green']
    >>> colorSort(L1)
    >>> print(L1)
    ['red', 'red', 'green', 'green', 'blue', 'blue', 'blue', 'blue']
    """
    # Code goes here. 
    pass

def list_sort(L:List[int])->None:
    """
    Sorts a list in place, least to greatest.
    """
    # Code goes here.
    pass