def list2dict(
        l=['A', 'B', 'C'],
        keylist=['a', 'b', 'c']
    ):

    """
    task 0.5.31 && task 0.6.3
    implement one line procedure taking a list of letters and a keylist
    output should be a dict. that maps them together
    e.g. input l=['A', 'B', 'C'] keylist=['a', 'b', 'c'] output={'a':'A', 'b':'B', 'c':'C'}
    
    def list2dict(l=['A', 'B', 'C'], keylist=['a', 'b', 'c']): return {k:l[i] for i,k in enumerate(keylist)}
    """
    
    return {k:l[i] for i,k in enumerate(keylist)}