Samuel Muldoon

你可以建立一个反向字典:

import random

d =  {'banana': 3, 'apple': 2, 'cherry': 1, 'orange': 3}

d_inv = dict.fromkeys(d.values())
for dkey, dval in d.items(): 
    d_inv.setdefault(dval, list())
    d_inv[dval].append(dkey)

m = max(d.values())
print(random.choice(d_inv[m]))