# swapsort_list_a_via_list_b_by_index.py

# swapsort_list_a_via_list_b_by_index.py ### generic version

import random
val = [9,8,7,6,5,4,3,2,1]
cue = ['a', 1, 'b', 'c', 2, 3, 'd', 'e', 'f', 4]


def swap():
    swap=[]
    for z in range(len(cue)):
        if cue[z] in val:
            swap.append([val.index(cue[z]),cue[z]])
            cue[z]=''
    swap = [z[1] for z in sorted(swap)]
    for z in swap:
        cue[cue.index('')]=z
    return cue
#

print swap()